131489281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{7457}}^1$

素因数の和:7704

約数の個数: 16

約数和(自身を含む): 164672640

約数和(自身を除く): 33183359

約数列:

[1, 7, 11, 77, 229, 1603, 2519, 7457, 17633, 52199, 82027, 574189, 1707653, 11953571, 18784183, 131489281]

約数ペア:

[(1, 131489281), (7, 18784183), (11, 11953571), (77, 1707653), (229, 574189), (1603, 82027), (2519, 52199), (7457, 17633)]