8212491

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 13785824

約数和(自身を除く): 5573333

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 2137, 3843, 6411, 14959, 19233, 44877, 130357, 134631, 391071, 912499, 1173213, 2737497, 8212491]

約数ペア:

[(1, 8212491), (3, 2737497), (7, 1173213), (9, 912499), (21, 391071), (61, 134631), (63, 130357), (183, 44877), (427, 19233), (549, 14959), (1281, 6411), (2137, 3843)]