31901597

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 40669272

約数和(自身を除く): 8767675

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 821, 2989, 5551, 5747, 10673, 38857, 40229, 50081, 74711, 350567, 522977, 651053, 2453969, 4557371, 31901597]

約数ペア:

[(1, 31901597), (7, 4557371), (13, 2453969), (49, 651053), (61, 522977), (91, 350567), (427, 74711), (637, 50081), (793, 40229), (821, 38857), (2989, 10673), (5551, 5747)]