2178856263

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{1373}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 3076001280

約数和(自身を除く): 897145017

約数列:

[1, 3, 23, 69, 109, 211, 327, 633, 1373, 2507, 4119, 4853, 7521, 14559, 22999, 31579, 68997, 94737, 149657, 289703, 448971, 528977, 869109, 1586931, 3442111, 6663169, 10326333, 19989507, 31577627, 94732881, 726285421, 2178856263]

約数ペア:

[(1, 2178856263), (3, 726285421), (23, 94732881), (69, 31577627), (109, 19989507), (211, 10326333), (327, 6663169), (633, 3442111), (1373, 1586931), (2507, 869109), (4119, 528977), (4853, 448971), (7521, 289703), (14559, 149657), (22999, 94737), (31579, 68997)]