81563801

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{401}}^1$

素因数の和:505

約数の個数: 18

約数和(自身を含む): 92121918

約数和(自身を除く): 10558117

約数列:

[1, 11, 41, 121, 401, 451, 1681, 4411, 4961, 16441, 18491, 48521, 180851, 203401, 674081, 1989361, 7414891, 81563801]

約数ペア:

[(1, 81563801), (11, 7414891), (41, 1989361), (121, 674081), (401, 203401), (451, 180851), (1681, 48521), (4411, 18491), (4961, 16441)]