72289749

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{13291}}^1$

素因数の和:13345

約数の個数: 24

約数和(自身を含む): 115161888

約数和(自身を除く): 42872139

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 13291, 39873, 93037, 279111, 491767, 651259, 1475301, 1953777, 3442369, 10327107, 24096583, 72289749]

約数ペア:

[(1, 72289749), (3, 24096583), (7, 10327107), (21, 3442369), (37, 1953777), (49, 1475301), (111, 651259), (147, 491767), (259, 279111), (777, 93037), (1813, 39873), (5439, 13291)]