31077825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 54847680

約数和(自身を除く): 23769855

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 113, 193, 285, 339, 475, 565, 579, 965, 1425, 1695, 2147, 2825, 2895, 3667, 4825, 6441, 8475, 10735, 11001, 14475, 18335, 21809, 32205, 53675, 55005, 65427, 91675, 109045, 161025, 275025, 327135, 414371, 545225, 1243113, 1635675, 2071855, 6215565, 10359275, 31077825]

約数ペア:

[(1, 31077825), (3, 10359275), (5, 6215565), (15, 2071855), (19, 1635675), (25, 1243113), (57, 545225), (75, 414371), (95, 327135), (113, 275025), (193, 161025), (285, 109045), (339, 91675), (475, 65427), (565, 55005), (579, 53675), (965, 32205), (1425, 21809), (1695, 18335), (2147, 14475), (2825, 11001), (2895, 10735), (3667, 8475), (4825, 6441)]