18243225

素因数分解:

$3^6\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:59

約数の個数: 168

約数和(自身を含む): 45538752

約数和(自身を除く): 27295527

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 25, 27, 33, 35, 39, 45, 55, 63, 65, 75, 77, 81, 91, 99, 105, 117, 135, 143, 165, 175, 189, 195, 225, 231, 243, 273, 275, 297, 315, 325, 351, 385, 405, 429, 455, 495, 525, 567, 585, 675, 693, 715, 729, 819, 825, 891, 945, 975, 1001, 1053, 1155, 1215, 1287, 1365, 1485, 1575, 1701, 1755, 1925, 2025, 2079, 2145, 2275, 2457, 2475, 2673, 2835, 2925, 3003, 3159, 3465, 3575, 3645, 3861, 4095, 4455, 4725, 5005, 5103, 5265, 5775, 6075, 6237, 6435, 6825, 7371, 7425, 8019, 8505, 8775, 9009, 9477, 10395, 10725, 11583, 12285, 13365, 14175, 15015, 15795, 17325, 18225, 18711, 19305, 20475, 22113, 22275, 25025, 25515, 26325, 27027, 31185, 32175, 34749, 36855, 40095, 42525, 45045, 47385, 51975, 56133, 57915, 61425, 66339, 66825, 75075, 78975, 81081, 93555, 96525, 104247, 110565, 127575, 135135, 155925, 173745, 184275, 200475, 225225, 236925, 243243, 280665, 289575, 331695, 405405, 467775, 521235, 552825, 675675, 729729, 868725, 1216215, 1403325, 1658475, 2027025, 2606175, 3648645, 6081075, 18243225]

約数ペア:

[(1, 18243225), (3, 6081075), (5, 3648645), (7, 2606175), (9, 2027025), (11, 1658475), (13, 1403325), (15, 1216215), (21, 868725), (25, 729729), (27, 675675), (33, 552825), (35, 521235), (39, 467775), (45, 405405), (55, 331695), (63, 289575), (65, 280665), (75, 243243), (77, 236925), (81, 225225), (91, 200475), (99, 184275), (105, 173745), (117, 155925), (135, 135135), (143, 127575), (165, 110565), (175, 104247), (189, 96525), (195, 93555), (225, 81081), (231, 78975), (243, 75075), (273, 66825), (275, 66339), (297, 61425), (315, 57915), (325, 56133), (351, 51975), (385, 47385), (405, 45045), (429, 42525), (455, 40095), (495, 36855), (525, 34749), (567, 32175), (585, 31185), (675, 27027), (693, 26325), (715, 25515), (729, 25025), (819, 22275), (825, 22113), (891, 20475), (945, 19305), (975, 18711), (1001, 18225), (1053, 17325), (1155, 15795), (1215, 15015), (1287, 14175), (1365, 13365), (1485, 12285), (1575, 11583), (1701, 10725), (1755, 10395), (1925, 9477), (2025, 9009), (2079, 8775), (2145, 8505), (2275, 8019), (2457, 7425), (2475, 7371), (2673, 6825), (2835, 6435), (2925, 6237), (3003, 6075), (3159, 5775), (3465, 5265), (3575, 5103), (3645, 5005), (3861, 4725), (4095, 4455)]