745143

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 1195632

約数和(自身を除く): 450489

約数列:

[1, 3, 7, 21, 37, 49, 111, 137, 147, 259, 411, 777, 959, 1813, 2877, 5069, 5439, 6713, 15207, 20139, 35483, 106449, 248381, 745143]

約数ペア:

[(1, 745143), (3, 248381), (7, 106449), (21, 35483), (37, 20139), (49, 15207), (111, 6713), (137, 5439), (147, 5069), (259, 2877), (411, 1813), (777, 959)]