7864689

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 13178880

約数和(自身を除く): 5314191

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 857, 1311, 2571, 3059, 5999, 9177, 16283, 17997, 19711, 48849, 59133, 113981, 137977, 341943, 374509, 413931, 1123527, 2621563, 7864689]

約数ペア:

[(1, 7864689), (3, 2621563), (7, 1123527), (19, 413931), (21, 374509), (23, 341943), (57, 137977), (69, 113981), (133, 59133), (161, 48849), (399, 19711), (437, 17997), (483, 16283), (857, 9177), (1311, 5999), (2571, 3059)]