15099889

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 20

約数和(自身を含む): 18598640

約数和(自身を除く): 3498751

約数列:

[1, 7, 19, 49, 133, 331, 343, 931, 2317, 2401, 6289, 6517, 16219, 44023, 45619, 113533, 308161, 794731, 2157127, 15099889]

約数ペア:

[(1, 15099889), (7, 2157127), (19, 794731), (49, 308161), (133, 113533), (331, 45619), (343, 44023), (931, 16219), (2317, 6517), (2401, 6289)]