72156777

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 122828160

約数和(自身を除く): 50671383

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 121, 219, 231, 363, 389, 511, 803, 847, 1167, 1533, 2409, 2541, 2723, 4279, 5621, 8169, 8833, 12837, 16863, 26499, 28397, 29953, 47069, 61831, 85191, 89859, 141207, 185493, 198779, 312367, 329483, 596337, 937101, 988449, 2186569, 3436037, 6559707, 10308111, 24052259, 72156777]

約数ペア:

[(1, 72156777), (3, 24052259), (7, 10308111), (11, 6559707), (21, 3436037), (33, 2186569), (73, 988449), (77, 937101), (121, 596337), (219, 329483), (231, 312367), (363, 198779), (389, 185493), (511, 141207), (803, 89859), (847, 85191), (1167, 61831), (1533, 47069), (2409, 29953), (2541, 28397), (2723, 26499), (4279, 16863), (5621, 12837), (8169, 8833)]