57780359

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 73620288

約数和(自身を除く): 15839929

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 1487, 2989, 5551, 10409, 19331, 38857, 72863, 90707, 135317, 634949, 947219, 1179191, 4444643, 8254337, 57780359]

約数ペア:

[(1, 57780359), (7, 8254337), (13, 4444643), (49, 1179191), (61, 947219), (91, 634949), (427, 135317), (637, 90707), (793, 72863), (1487, 38857), (2989, 19331), (5551, 10409)]