31931291

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 40137120

約数和(自身を除く): 8205829

約数列:

[1, 7, 23, 29, 49, 161, 203, 667, 977, 1127, 1421, 4669, 6839, 22471, 28333, 32683, 47873, 157297, 198331, 651659, 1101079, 1388317, 4561613, 31931291]

約数ペア:

[(1, 31931291), (7, 4561613), (23, 1388317), (29, 1101079), (49, 651659), (161, 198331), (203, 157297), (667, 47873), (977, 32683), (1127, 28333), (1421, 22471), (4669, 6839)]