12690867

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9907}}^1$

素因数の和:9978

約数の個数: 16

約数和(自身を含む): 19657472

約数和(自身を除く): 6966605

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 9907, 29721, 69349, 208047, 604327, 1812981, 4230289, 12690867]

約数ペア:

[(1, 12690867), (3, 4230289), (7, 1812981), (21, 604327), (61, 208047), (183, 69349), (427, 29721), (1281, 9907)]