245356671

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 404818560

約数和(自身を除く): 159461889

約数列:

[1, 3, 7, 19, 21, 49, 57, 107, 133, 147, 321, 399, 749, 821, 931, 2033, 2247, 2463, 2793, 5243, 5747, 6099, 14231, 15599, 15729, 17241, 40229, 42693, 46797, 87847, 99617, 109193, 120687, 263541, 298851, 327579, 614929, 764351, 1669093, 1844787, 2293053, 4304503, 5007279, 11683651, 12913509, 35050953, 81785557, 245356671]

約数ペア:

[(1, 245356671), (3, 81785557), (7, 35050953), (19, 12913509), (21, 11683651), (49, 5007279), (57, 4304503), (107, 2293053), (133, 1844787), (147, 1669093), (321, 764351), (399, 614929), (749, 327579), (821, 298851), (931, 263541), (2033, 120687), (2247, 109193), (2463, 99617), (2793, 87847), (5243, 46797), (5747, 42693), (6099, 40229), (14231, 17241), (15599, 15729)]