31234125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 26423475

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 125, 129, 149, 195, 215, 325, 375, 447, 559, 645, 745, 975, 1075, 1625, 1677, 1937, 2235, 2795, 3225, 3725, 4875, 5375, 5811, 6407, 8385, 9685, 11175, 13975, 16125, 18625, 19221, 29055, 32035, 41925, 48425, 55875, 69875, 83291, 96105, 145275, 160175, 209625, 242125, 249873, 416455, 480525, 726375, 800875, 1249365, 2082275, 2402625, 6246825, 10411375, 31234125]

約数ペア:

[(1, 31234125), (3, 10411375), (5, 6246825), (13, 2402625), (15, 2082275), (25, 1249365), (39, 800875), (43, 726375), (65, 480525), (75, 416455), (125, 249873), (129, 242125), (149, 209625), (195, 160175), (215, 145275), (325, 96105), (375, 83291), (447, 69875), (559, 55875), (645, 48425), (745, 41925), (975, 32035), (1075, 29055), (1625, 19221), (1677, 18625), (1937, 16125), (2235, 13975), (2795, 11175), (3225, 9685), (3725, 8385), (4875, 6407), (5375, 5811)]