2523218121

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{198413}}^1$

素因数の和:198582

約数の個数: 20

約数和(自身を含む): 3793278852

約数和(自身を除く): 1270060731

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 198413, 595239, 1785717, 5357151, 16071453, 31150841, 93452523, 280357569, 841072707, 2523218121]

約数ペア:

[(1, 2523218121), (3, 841072707), (9, 280357569), (27, 93452523), (81, 31150841), (157, 16071453), (471, 5357151), (1413, 1785717), (4239, 595239), (12717, 198413)]