268721919

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{4243}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 402534912

約数和(自身を除く): 133812993

約数列:

[1, 3, 9, 31, 93, 227, 279, 681, 2043, 4243, 7037, 12729, 21111, 38187, 63333, 131533, 394599, 963161, 1183797, 2889483, 8668449, 29857991, 89573973, 268721919]

約数ペア:

[(1, 268721919), (3, 89573973), (9, 29857991), (31, 8668449), (93, 2889483), (227, 1183797), (279, 963161), (681, 394599), (2043, 131533), (4243, 63333), (7037, 38187), (12729, 21111)]