142788723

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4447}}^1$

素因数の和:4607

約数の個数: 32

約数和(自身を含む): 239124480

約数和(自身を除く): 96335757

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2919, 4447, 4587, 10703, 13341, 31129, 32109, 48917, 93387, 146751, 342419, 618133, 1027257, 1854399, 4326931, 6799463, 12980793, 20398389, 47596241, 142788723]

約数ペア:

[(1, 142788723), (3, 47596241), (7, 20398389), (11, 12980793), (21, 6799463), (33, 4326931), (77, 1854399), (139, 1027257), (231, 618133), (417, 342419), (973, 146751), (1529, 93387), (2919, 48917), (4447, 32109), (4587, 31129), (10703, 13341)]