140122801

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{16921}}^1$

素因数の和:16961

約数の個数: 18

約数和(自身を含む): 176513382

約数和(自身を除く): 36390581

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 16921, 118447, 219973, 829129, 1539811, 2859649, 10778677, 20017543, 140122801]

約数ペア:

[(1, 140122801), (7, 20017543), (13, 10778677), (49, 2859649), (91, 1539811), (169, 829129), (637, 219973), (1183, 118447), (8281, 16921)]