78970575

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 136705536

約数和(自身を除く): 57734961

約数列:

[1, 3, 5, 15, 25, 43, 47, 75, 129, 141, 215, 235, 521, 645, 705, 1075, 1175, 1563, 2021, 2605, 3225, 3525, 6063, 7815, 10105, 13025, 22403, 24487, 30315, 39075, 50525, 67209, 73461, 112015, 122435, 151575, 336045, 367305, 560075, 612175, 1052941, 1680225, 1836525, 3158823, 5264705, 15794115, 26323525, 78970575]

約数ペア:

[(1, 78970575), (3, 26323525), (5, 15794115), (15, 5264705), (25, 3158823), (43, 1836525), (47, 1680225), (75, 1052941), (129, 612175), (141, 560075), (215, 367305), (235, 336045), (521, 151575), (645, 122435), (705, 112015), (1075, 73461), (1175, 67209), (1563, 50525), (2021, 39075), (2605, 30315), (3225, 24487), (3525, 22403), (6063, 13025), (7815, 10105)]