81726975

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1223}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 165739392

約数和(自身を除く): 84012417

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 243, 275, 297, 405, 495, 675, 825, 891, 1215, 1223, 1485, 2025, 2475, 2673, 3669, 4455, 6075, 6115, 7425, 11007, 13365, 13453, 18345, 22275, 30575, 33021, 40359, 55035, 66825, 67265, 91725, 99063, 121077, 165105, 201795, 275175, 297189, 336325, 363231, 495315, 605385, 825525, 1008975, 1089693, 1485945, 1816155, 2476575, 3026925, 3269079, 5448465, 7429725, 9080775, 16345395, 27242325, 81726975]

約数ペア:

[(1, 81726975), (3, 27242325), (5, 16345395), (9, 9080775), (11, 7429725), (15, 5448465), (25, 3269079), (27, 3026925), (33, 2476575), (45, 1816155), (55, 1485945), (75, 1089693), (81, 1008975), (99, 825525), (135, 605385), (165, 495315), (225, 363231), (243, 336325), (275, 297189), (297, 275175), (405, 201795), (495, 165105), (675, 121077), (825, 99063), (891, 91725), (1215, 67265), (1223, 66825), (1485, 55035), (2025, 40359), (2475, 33021), (2673, 30575), (3669, 22275), (4455, 18345), (6075, 13453), (6115, 13365), (7425, 11007)]