13138419

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 20556480

約数和(自身を除く): 7418061

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 643, 973, 1929, 2919, 4501, 6811, 13503, 20433, 31507, 89377, 94521, 268131, 625639, 1876917, 4379473, 13138419]

約数ペア:

[(1, 13138419), (3, 4379473), (7, 1876917), (21, 625639), (49, 268131), (139, 94521), (147, 89377), (417, 31507), (643, 20433), (973, 13503), (1929, 6811), (2919, 4501)]