31391619

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 50479104

約数和(自身を除く): 19087485

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 483, 631, 721, 1893, 2163, 2369, 4417, 7107, 13251, 14513, 16583, 43539, 49749, 64993, 101591, 194979, 304773, 454951, 1364853, 1494839, 4484517, 10463873, 31391619]

約数ペア:

[(1, 31391619), (3, 10463873), (7, 4484517), (21, 1494839), (23, 1364853), (69, 454951), (103, 304773), (161, 194979), (309, 101591), (483, 64993), (631, 49749), (721, 43539), (1893, 16583), (2163, 14513), (2369, 13251), (4417, 7107)]