311928495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{42181}}^1$

素因数の和:42235

約数の個数: 32

約数和(自身を含む): 546678720

約数和(自身を除く): 234750225

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 42181, 126543, 210905, 632715, 717077, 1223249, 2151231, 3585385, 3669747, 6116245, 10756155, 18348735, 20795233, 62385699, 103976165, 311928495]

約数ペア:

[(1, 311928495), (3, 103976165), (5, 62385699), (15, 20795233), (17, 18348735), (29, 10756155), (51, 6116245), (85, 3669747), (87, 3585385), (145, 2151231), (255, 1223249), (435, 717077), (493, 632715), (1479, 210905), (2465, 126543), (7395, 42181)]