290445477

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{2857}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 456548352

約数和(自身を除く): 166102875

約数列:

[1, 3, 7, 21, 47, 103, 141, 309, 329, 721, 987, 2163, 2857, 4841, 8571, 14523, 19999, 33887, 59997, 101661, 134279, 294271, 402837, 882813, 939953, 2059897, 2819859, 6179691, 13830737, 41492211, 96815159, 290445477]

約数ペア:

[(1, 290445477), (3, 96815159), (7, 41492211), (21, 13830737), (47, 6179691), (103, 2819859), (141, 2059897), (309, 939953), (329, 882813), (721, 402837), (987, 294271), (2163, 134279), (2857, 101661), (4841, 59997), (8571, 33887), (14523, 19999)]