139205521

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{31219}}^1$

素因数の和:31253

約数の個数: 16

約数和(自身を含む): 174832000

約数和(自身を除く): 35626479

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 31219, 218533, 405847, 1529731, 2840929, 10708117, 19886503, 139205521]

約数ペア:

[(1, 139205521), (7, 19886503), (13, 10708117), (49, 2840929), (91, 1529731), (343, 405847), (637, 218533), (4459, 31219)]