12857607

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 21405696

約数和(自身を除く): 8548089

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 1607, 2667, 4821, 8001, 11249, 14463, 33747, 101241, 204089, 612267, 1428623, 1836801, 4285869, 12857607]

約数ペア:

[(1, 12857607), (3, 4285869), (7, 1836801), (9, 1428623), (21, 612267), (63, 204089), (127, 101241), (381, 33747), (889, 14463), (1143, 11249), (1607, 8001), (2667, 4821)]