831190087

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21391}}^1$

素因数の和:21479

約数の個数: 24

約数和(自身を含む): 1058390592

約数和(自身を除く): 227200505

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2989, 5551, 21391, 38857, 149737, 278083, 1048159, 1304851, 1946581, 9133957, 13626067, 16963063, 63937699, 118741441, 831190087]

約数ペア:

[(1, 831190087), (7, 118741441), (13, 63937699), (49, 16963063), (61, 13626067), (91, 9133957), (427, 1946581), (637, 1304851), (793, 1048159), (2989, 278083), (5551, 149737), (21391, 38857)]