13265289

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:822

約数の個数: 20

約数和(自身を含む): 19914180

約数和(自身を除く): 6648891

約数列:

[1, 3, 9, 27, 81, 389, 421, 1167, 1263, 3501, 3789, 10503, 11367, 31509, 34101, 163769, 491307, 1473921, 4421763, 13265289]

約数ペア:

[(1, 13265289), (3, 4421763), (9, 1473921), (27, 491307), (81, 163769), (389, 34101), (421, 31509), (1167, 11367), (1263, 10503), (3501, 3789)]