31243809

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4001}}^1$

素因数の和:4160

約数の個数: 16

約数和(自身を含む): 44182080

約数和(自身を除く): 12938271

約数列:

[1, 3, 19, 57, 137, 411, 2603, 4001, 7809, 12003, 76019, 228057, 548137, 1644411, 10414603, 31243809]

約数ペア:

[(1, 31243809), (3, 10414603), (19, 1644411), (57, 548137), (137, 228057), (411, 76019), (2603, 12003), (4001, 7809)]