12730665

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2351}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 21506688

約数和(自身を除く): 8776023

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 2351, 5415, 7053, 11755, 35265, 44669, 134007, 223345, 670035, 848711, 2546133, 4243555, 12730665]

約数ペア:

[(1, 12730665), (3, 4243555), (5, 2546133), (15, 848711), (19, 670035), (57, 223345), (95, 134007), (285, 44669), (361, 35265), (1083, 11755), (1805, 7053), (2351, 5415)]