13720347

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{1499}}^1$

素因数の和:1624

約数の個数: 20

約数和(自身を含む): 20691000

約数和(自身を除く): 6970653

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 1499, 3051, 4497, 9153, 13491, 40473, 121419, 169387, 508161, 1524483, 4573449, 13720347]

約数ペア:

[(1, 13720347), (3, 4573449), (9, 1524483), (27, 508161), (81, 169387), (113, 121419), (339, 40473), (1017, 13491), (1499, 9153), (3051, 4497)]