26628825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 47139840

約数和(自身を除く): 20511015

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 129, 215, 345, 359, 575, 645, 989, 1075, 1077, 1725, 1795, 2967, 3225, 4945, 5385, 8257, 8975, 14835, 15437, 24725, 24771, 26925, 41285, 46311, 74175, 77185, 123855, 206425, 231555, 355051, 385925, 619275, 1065153, 1157775, 1775255, 5325765, 8876275, 26628825]

約数ペア:

[(1, 26628825), (3, 8876275), (5, 5325765), (15, 1775255), (23, 1157775), (25, 1065153), (43, 619275), (69, 385925), (75, 355051), (115, 231555), (129, 206425), (215, 123855), (345, 77185), (359, 74175), (575, 46311), (645, 41285), (989, 26925), (1075, 24771), (1077, 24725), (1725, 15437), (1795, 14835), (2967, 8975), (3225, 8257), (4945, 5385)]