18693675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 45497088

約数和(自身を除く): 26803413

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 25, 33, 35, 39, 45, 55, 63, 65, 75, 77, 83, 91, 99, 105, 117, 143, 165, 175, 195, 225, 231, 249, 273, 275, 315, 325, 385, 415, 429, 455, 495, 525, 581, 585, 693, 715, 747, 819, 825, 913, 975, 1001, 1079, 1155, 1245, 1287, 1365, 1575, 1743, 1925, 2075, 2145, 2275, 2475, 2739, 2905, 2925, 3003, 3237, 3465, 3575, 3735, 4095, 4565, 5005, 5229, 5395, 5775, 6225, 6391, 6435, 6825, 7553, 8217, 8715, 9009, 9711, 10725, 11869, 13695, 14525, 15015, 16185, 17325, 18675, 19173, 20475, 22659, 22825, 25025, 26145, 26975, 31955, 32175, 35607, 37765, 41085, 43575, 45045, 48555, 57519, 59345, 67977, 68475, 75075, 80925, 83083, 95865, 106821, 113295, 130725, 159775, 178035, 188825, 205425, 225225, 242775, 249249, 287595, 296725, 339885, 415415, 479325, 534105, 566475, 747747, 890175, 1246245, 1437975, 1699425, 2077075, 2670525, 3738735, 6231225, 18693675]

約数ペア:

[(1, 18693675), (3, 6231225), (5, 3738735), (7, 2670525), (9, 2077075), (11, 1699425), (13, 1437975), (15, 1246245), (21, 890175), (25, 747747), (33, 566475), (35, 534105), (39, 479325), (45, 415415), (55, 339885), (63, 296725), (65, 287595), (75, 249249), (77, 242775), (83, 225225), (91, 205425), (99, 188825), (105, 178035), (117, 159775), (143, 130725), (165, 113295), (175, 106821), (195, 95865), (225, 83083), (231, 80925), (249, 75075), (273, 68475), (275, 67977), (315, 59345), (325, 57519), (385, 48555), (415, 45045), (429, 43575), (455, 41085), (495, 37765), (525, 35607), (581, 32175), (585, 31955), (693, 26975), (715, 26145), (747, 25025), (819, 22825), (825, 22659), (913, 20475), (975, 19173), (1001, 18675), (1079, 17325), (1155, 16185), (1245, 15015), (1287, 14525), (1365, 13695), (1575, 11869), (1743, 10725), (1925, 9711), (2075, 9009), (2145, 8715), (2275, 8217), (2475, 7553), (2739, 6825), (2905, 6435), (2925, 6391), (3003, 6225), (3237, 5775), (3465, 5395), (3575, 5229), (3735, 5005), (4095, 4565)]