31368771

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:960

約数の個数: 36

約数和(自身を含む): 53405352

約数和(自身を除く): 22036581

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 249, 441, 581, 747, 857, 1743, 2571, 4067, 5229, 5999, 7713, 12201, 17997, 36603, 41993, 53991, 71131, 125979, 213393, 377937, 497917, 640179, 1493751, 3485419, 4481253, 10456257, 31368771]

約数ペア:

[(1, 31368771), (3, 10456257), (7, 4481253), (9, 3485419), (21, 1493751), (49, 640179), (63, 497917), (83, 377937), (147, 213393), (249, 125979), (441, 71131), (581, 53991), (747, 41993), (857, 36603), (1743, 17997), (2571, 12201), (4067, 7713), (5229, 5999)]