31338391

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 39357360

約数和(自身を除く): 8018969

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 821, 931, 2009, 5453, 5747, 15599, 33661, 38171, 40229, 109193, 235627, 639559, 764351, 1649389, 4476913, 31338391]

約数ペア:

[(1, 31338391), (7, 4476913), (19, 1649389), (41, 764351), (49, 639559), (133, 235627), (287, 109193), (779, 40229), (821, 38171), (931, 33661), (2009, 15599), (5453, 5747)]