205256919

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{89671}}^1$

素因数の和:89790

約数の個数: 16

約数和(自身を含む): 315645440

約数和(自身を除く): 110388521

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 89671, 269013, 627697, 1883091, 9774139, 29322417, 68418973, 205256919]

約数ペア:

[(1, 205256919), (3, 68418973), (7, 29322417), (21, 9774139), (109, 1883091), (327, 627697), (763, 269013), (2289, 89671)]