31056075

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 57635200

約数和(自身を除く): 26579125

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 331, 417, 675, 695, 993, 1251, 1655, 2085, 2979, 3475, 3753, 4965, 6255, 8275, 8937, 10425, 14895, 18765, 24825, 31275, 44685, 46009, 74475, 93825, 138027, 223425, 230045, 414081, 690135, 1150225, 1242243, 2070405, 3450675, 6211215, 10352025, 31056075]

約数ペア:

[(1, 31056075), (3, 10352025), (5, 6211215), (9, 3450675), (15, 2070405), (25, 1242243), (27, 1150225), (45, 690135), (75, 414081), (135, 230045), (139, 223425), (225, 138027), (331, 93825), (417, 74475), (675, 46009), (695, 44685), (993, 31275), (1251, 24825), (1655, 18765), (2085, 14895), (2979, 10425), (3475, 8937), (3753, 8275), (4965, 6255)]