166638975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 284541312

約数和(自身を除く): 117902337

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 163, 215, 317, 489, 645, 815, 951, 1075, 1585, 2445, 3225, 4075, 4755, 7009, 7925, 12225, 13631, 21027, 23775, 35045, 40893, 51671, 68155, 105135, 155013, 175225, 204465, 258355, 340775, 525675, 775065, 1022325, 1291775, 2221853, 3875325, 6665559, 11109265, 33327795, 55546325, 166638975]

約数ペア:

[(1, 166638975), (3, 55546325), (5, 33327795), (15, 11109265), (25, 6665559), (43, 3875325), (75, 2221853), (129, 1291775), (163, 1022325), (215, 775065), (317, 525675), (489, 340775), (645, 258355), (815, 204465), (951, 175225), (1075, 155013), (1585, 105135), (2445, 68155), (3225, 51671), (4075, 40893), (4755, 35045), (7009, 23775), (7925, 21027), (12225, 13631)]