9979125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 18869760

約数和(自身を除く): 8890635

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 89, 115, 125, 195, 267, 299, 325, 345, 375, 445, 575, 897, 975, 1157, 1335, 1495, 1625, 1725, 2047, 2225, 2875, 3471, 4485, 4875, 5785, 6141, 6675, 7475, 8625, 10235, 11125, 17355, 22425, 26611, 28925, 30705, 33375, 37375, 51175, 79833, 86775, 112125, 133055, 144625, 153525, 255875, 399165, 433875, 665275, 767625, 1995825, 3326375, 9979125]

約数ペア:

[(1, 9979125), (3, 3326375), (5, 1995825), (13, 767625), (15, 665275), (23, 433875), (25, 399165), (39, 255875), (65, 153525), (69, 144625), (75, 133055), (89, 112125), (115, 86775), (125, 79833), (195, 51175), (267, 37375), (299, 33375), (325, 30705), (345, 28925), (375, 26611), (445, 22425), (575, 17355), (897, 11125), (975, 10235), (1157, 8625), (1335, 7475), (1495, 6675), (1625, 6141), (1725, 5785), (2047, 4875), (2225, 4485), (2875, 3471)]