8243625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 15724800

約数和(自身を除く): 7481175

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 89, 95, 125, 195, 247, 267, 285, 325, 375, 445, 475, 741, 975, 1157, 1235, 1335, 1425, 1625, 1691, 2225, 2375, 3471, 3705, 4875, 5073, 5785, 6175, 6675, 7125, 8455, 11125, 17355, 18525, 21983, 25365, 28925, 30875, 33375, 42275, 65949, 86775, 92625, 109915, 126825, 144625, 211375, 329745, 433875, 549575, 634125, 1648725, 2747875, 8243625]

約数ペア:

[(1, 8243625), (3, 2747875), (5, 1648725), (13, 634125), (15, 549575), (19, 433875), (25, 329745), (39, 211375), (57, 144625), (65, 126825), (75, 109915), (89, 92625), (95, 86775), (125, 65949), (195, 42275), (247, 33375), (267, 30875), (285, 28925), (325, 25365), (375, 21983), (445, 18525), (475, 17355), (741, 11125), (975, 8455), (1157, 7125), (1235, 6675), (1335, 6175), (1425, 5785), (1625, 5073), (1691, 4875), (2225, 3705), (2375, 3471)]