18272475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6276

約数の個数: 36

約数和(自身を含む): 35251216

約数和(自身を除く): 16978741

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6247, 18741, 31235, 56223, 81211, 93705, 156175, 243633, 281115, 406055, 468525, 730899, 1218165, 1405575, 2030275, 3654495, 6090825, 18272475]

約数ペア:

[(1, 18272475), (3, 6090825), (5, 3654495), (9, 2030275), (13, 1405575), (15, 1218165), (25, 730899), (39, 468525), (45, 406055), (65, 281115), (75, 243633), (117, 156175), (195, 93705), (225, 81211), (325, 56223), (585, 31235), (975, 18741), (2925, 6247)]