249561

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 407680

約数和(自身を除く): 158119

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 237, 243, 351, 711, 1027, 1053, 2133, 3081, 3159, 6399, 9243, 19197, 27729, 83187, 249561]

約数ペア:

[(1, 249561), (3, 83187), (9, 27729), (13, 19197), (27, 9243), (39, 6399), (79, 3159), (81, 3081), (117, 2133), (237, 1053), (243, 1027), (351, 711)]