72665565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{40709}}^1$

素因数の和:40741

約数の個数: 32

約数和(自身を含む): 140693760

約数和(自身を除く): 68028195

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 40709, 122127, 203545, 284963, 610635, 692053, 854889, 1424815, 2076159, 3460265, 4274445, 4844371, 10380795, 14533113, 24221855, 72665565]

約数ペア:

[(1, 72665565), (3, 24221855), (5, 14533113), (7, 10380795), (15, 4844371), (17, 4274445), (21, 3460265), (35, 2076159), (51, 1424815), (85, 854889), (105, 692053), (119, 610635), (255, 284963), (357, 203545), (595, 122127), (1785, 40709)]