13639563

素因数分解:

$3^3\times 7^1\times {\mathrm{72167}}^1$

素因数の和:72183

約数の個数: 16

約数和(自身を含む): 23093760

約数和(自身を除く): 9454197

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 72167, 216501, 505169, 649503, 1515507, 1948509, 4546521, 13639563]

約数ペア:

[(1, 13639563), (3, 4546521), (7, 1948509), (9, 1515507), (21, 649503), (27, 505169), (63, 216501), (189, 72167)]