66715575

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 114445056

約数和(自身を除く): 47729481

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 137, 151, 215, 411, 453, 645, 685, 755, 1075, 2055, 2265, 3225, 3425, 3775, 5891, 6493, 10275, 11325, 17673, 19479, 20687, 29455, 32465, 62061, 88365, 97395, 103435, 147275, 162325, 310305, 441825, 486975, 517175, 889541, 1551525, 2668623, 4447705, 13343115, 22238525, 66715575]

約数ペア:

[(1, 66715575), (3, 22238525), (5, 13343115), (15, 4447705), (25, 2668623), (43, 1551525), (75, 889541), (129, 517175), (137, 486975), (151, 441825), (215, 310305), (411, 162325), (453, 147275), (645, 103435), (685, 97395), (755, 88365), (1075, 62061), (2055, 32465), (2265, 29455), (3225, 20687), (3425, 19479), (3775, 17673), (5891, 11325), (6493, 10275)]