2178707775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{17789}}^1$

素因数の和:17896

約数の個数: 48

約数和(自身を含む): 3811898880

約数和(自身を除く): 1633191105

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 213, 345, 355, 575, 1065, 1633, 1725, 1775, 4899, 5325, 8165, 17789, 24495, 40825, 53367, 88945, 122475, 266835, 409147, 444725, 1227441, 1263019, 1334175, 2045735, 3789057, 6137205, 6315095, 10228675, 18945285, 29049437, 30686025, 31575475, 87148311, 94726425, 145247185, 435741555, 726235925, 2178707775]

約数ペア:

[(1, 2178707775), (3, 726235925), (5, 435741555), (15, 145247185), (23, 94726425), (25, 87148311), (69, 31575475), (71, 30686025), (75, 29049437), (115, 18945285), (213, 10228675), (345, 6315095), (355, 6137205), (575, 3789057), (1065, 2045735), (1633, 1334175), (1725, 1263019), (1775, 1227441), (4899, 444725), (5325, 409147), (8165, 266835), (17789, 122475), (24495, 88945), (40825, 53367)]