12780490779

素因数分解:

$3^2\times 7^1\times {\mathrm{2909}}^1\times {\mathrm{69737}}^1$

素因数の和:72659

約数の個数: 24

約数和(自身を含む): 21105508320

約数和(自身を除く): 8325017541

約数列:

[1, 3, 7, 9, 21, 63, 2909, 8727, 20363, 26181, 61089, 69737, 183267, 209211, 488159, 627633, 1464477, 4393431, 202864933, 608594799, 1420054531, 1825784397, 4260163593, 12780490779]

約数ペア:

[(1, 12780490779), (3, 4260163593), (7, 1825784397), (9, 1420054531), (21, 608594799), (63, 202864933), (2909, 4393431), (8727, 1464477), (20363, 627633), (26181, 488159), (61089, 209211), (69737, 183267)]