31243429

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 39334560

約数和(自身を除く): 8091131

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 907, 931, 1813, 4921, 6349, 17233, 33559, 34447, 44443, 120631, 234913, 637621, 844417, 1644391, 4463347, 31243429]

約数ペア:

[(1, 31243429), (7, 4463347), (19, 1644391), (37, 844417), (49, 637621), (133, 234913), (259, 120631), (703, 44443), (907, 34447), (931, 33559), (1813, 17233), (4921, 6349)]