8638641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 13815360

約数和(自身を除く): 5176719

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 1229, 2343, 3687, 7029, 11061, 13519, 40557, 87259, 121671, 261777, 785331, 959849, 2879547, 8638641]

約数ペア:

[(1, 8638641), (3, 2879547), (9, 959849), (11, 785331), (33, 261777), (71, 121671), (99, 87259), (213, 40557), (639, 13519), (781, 11061), (1229, 7029), (2343, 3687)]