31435313

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 8640247

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 809, 2989, 5551, 5663, 10517, 38857, 39641, 49349, 73619, 345443, 515333, 641537, 2418101, 4490759, 31435313]

約数ペア:

[(1, 31435313), (7, 4490759), (13, 2418101), (49, 641537), (61, 515333), (91, 345443), (427, 73619), (637, 49349), (793, 39641), (809, 38857), (2989, 10517), (5551, 5663)]