68239815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3299}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 125452800

約数和(自身を除く): 57212985

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1379, 2955, 3299, 4137, 6895, 9897, 16495, 20685, 23093, 49485, 69279, 115465, 346395, 649903, 1949709, 3249515, 4549321, 9748545, 13647963, 22746605, 68239815]

約数ペア:

[(1, 68239815), (3, 22746605), (5, 13647963), (7, 9748545), (15, 4549321), (21, 3249515), (35, 1949709), (105, 649903), (197, 346395), (591, 115465), (985, 69279), (1379, 49485), (2955, 23093), (3299, 20685), (4137, 16495), (6895, 9897)]