890331279

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 1271961600

約数和(自身を除く): 381630321

約数列:

[1, 3, 19, 57, 103, 139, 309, 417, 1091, 1957, 2641, 3273, 5871, 7923, 14317, 20729, 42951, 62187, 112373, 151649, 272023, 337119, 454947, 816069, 2135087, 2881331, 6405261, 8643993, 15619847, 46859541, 296777093, 890331279]

約数ペア:

[(1, 890331279), (3, 296777093), (19, 46859541), (57, 15619847), (103, 8643993), (139, 6405261), (309, 2881331), (417, 2135087), (1091, 816069), (1957, 454947), (2641, 337119), (3273, 272023), (5871, 151649), (7923, 112373), (14317, 62187), (20729, 42951)]