31548075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 59906880

約数和(自身を除く): 28358805

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 131, 169, 195, 247, 285, 325, 393, 475, 507, 655, 741, 845, 975, 1235, 1425, 1703, 1965, 2489, 2535, 3211, 3275, 3705, 4225, 5109, 6175, 7467, 8515, 9633, 9825, 12445, 12675, 16055, 18525, 22139, 25545, 32357, 37335, 42575, 48165, 62225, 66417, 80275, 97071, 110695, 127725, 161785, 186675, 240825, 332085, 420641, 485355, 553475, 808925, 1261923, 1660425, 2103205, 2426775, 6309615, 10516025, 31548075]

約数ペア:

[(1, 31548075), (3, 10516025), (5, 6309615), (13, 2426775), (15, 2103205), (19, 1660425), (25, 1261923), (39, 808925), (57, 553475), (65, 485355), (75, 420641), (95, 332085), (131, 240825), (169, 186675), (195, 161785), (247, 127725), (285, 110695), (325, 97071), (393, 80275), (475, 66417), (507, 62225), (655, 48165), (741, 42575), (845, 37335), (975, 32357), (1235, 25545), (1425, 22139), (1703, 18525), (1965, 16055), (2489, 12675), (2535, 12445), (3211, 9825), (3275, 9633), (3705, 8515), (4225, 7467), (5109, 6175)]