9780851157

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{3571}}^1$

素因数の和:3830

約数の個数: 64

約数和(自身を含む): 16591454208

約数和(自身を除く): 6810603051

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 167, 213, 231, 497, 501, 781, 1169, 1491, 1837, 2343, 3507, 3571, 5467, 5511, 10713, 11857, 12859, 16401, 24997, 35571, 38577, 39281, 74991, 82999, 117843, 130427, 248997, 253541, 274967, 391281, 596357, 760623, 824901, 912989, 1774787, 1789071, 2738967, 2788951, 4174499, 5324361, 6559927, 8366853, 12523497, 19522657, 19679781, 42341347, 45919489, 58567971, 127024041, 137758467, 296389429, 465754817, 889168287, 1397264451, 3260283719, 9780851157]

約数ペア:

[(1, 9780851157), (3, 3260283719), (7, 1397264451), (11, 889168287), (21, 465754817), (33, 296389429), (71, 137758467), (77, 127024041), (167, 58567971), (213, 45919489), (231, 42341347), (497, 19679781), (501, 19522657), (781, 12523497), (1169, 8366853), (1491, 6559927), (1837, 5324361), (2343, 4174499), (3507, 2788951), (3571, 2738967), (5467, 1789071), (5511, 1774787), (10713, 912989), (11857, 824901), (12859, 760623), (16401, 596357), (24997, 391281), (35571, 274967), (38577, 253541), (39281, 248997), (74991, 130427), (82999, 117843)]