128837877

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{25457}}^1$

素因数の和:25708

約数の個数: 16

約数和(自身を含む): 197146752

約数和(自身を除く): 68308875

約数列:

[1, 3, 7, 21, 241, 723, 1687, 5061, 25457, 76371, 178199, 534597, 6135137, 18405411, 42945959, 128837877]

約数ペア:

[(1, 128837877), (3, 42945959), (7, 18405411), (21, 6135137), (241, 534597), (723, 178199), (1687, 76371), (5061, 25457)]