313639431

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20947}}^1$

素因数の和:21011

約数の個数: 32

約数和(自身を含む): 514818048

約数和(自身を除く): 201178617

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 2139, 4991, 14973, 20947, 62841, 146629, 439887, 481781, 649357, 1445343, 1948071, 3372467, 4545499, 10117401, 13636497, 14935211, 44805633, 104546477, 313639431]

約数ペア:

[(1, 313639431), (3, 104546477), (7, 44805633), (21, 14935211), (23, 13636497), (31, 10117401), (69, 4545499), (93, 3372467), (161, 1948071), (217, 1445343), (483, 649357), (651, 481781), (713, 439887), (2139, 146629), (4991, 62841), (14973, 20947)]