31673313

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 54302976

約数和(自身を除く): 22629663

約数列:

[1, 3, 7, 9, 21, 63, 71, 73, 97, 213, 219, 291, 497, 511, 639, 657, 679, 873, 1491, 1533, 2037, 4473, 4599, 5183, 6111, 6887, 7081, 15549, 20661, 21243, 36281, 46647, 48209, 49567, 61983, 63729, 108843, 144627, 148701, 326529, 433881, 446103, 502751, 1508253, 3519257, 4524759, 10557771, 31673313]

約数ペア:

[(1, 31673313), (3, 10557771), (7, 4524759), (9, 3519257), (21, 1508253), (63, 502751), (71, 446103), (73, 433881), (97, 326529), (213, 148701), (219, 144627), (291, 108843), (497, 63729), (511, 61983), (639, 49567), (657, 48209), (679, 46647), (873, 36281), (1491, 21243), (1533, 20661), (2037, 15549), (4473, 7081), (4599, 6887), (5183, 6111)]