221405691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{195761}}^1$

素因数の和:195806

約数の個数: 16

約数和(自身を含む): 328880160

約数和(自身を除く): 107474469

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 195761, 587283, 2544893, 5677069, 7634679, 17031207, 73801897, 221405691]

約数ペア:

[(1, 221405691), (3, 73801897), (13, 17031207), (29, 7634679), (39, 5677069), (87, 2544893), (377, 587283), (1131, 195761)]