20401101

素因数分解:

$3^2\times 7^2\times {\mathrm{46261}}^1$

素因数の和:46281

約数の個数: 18

約数和(自身を含む): 34280142

約数和(自身を除く): 13879041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46261, 138783, 323827, 416349, 971481, 2266789, 2914443, 6800367, 20401101]

約数ペア:

[(1, 20401101), (3, 6800367), (7, 2914443), (9, 2266789), (21, 971481), (49, 416349), (63, 323827), (147, 138783), (441, 46261)]