12487671

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 20708480

約数和(自身を除く): 8220809

約数列:

[1, 3, 7, 9, 21, 63, 379, 523, 1137, 1569, 2653, 3411, 3661, 4707, 7959, 10983, 23877, 32949, 198217, 594651, 1387519, 1783953, 4162557, 12487671]

約数ペア:

[(1, 12487671), (3, 4162557), (7, 1783953), (9, 1387519), (21, 594651), (63, 198217), (379, 32949), (523, 23877), (1137, 10983), (1569, 7959), (2653, 4707), (3411, 3661)]