72478905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{284231}}^1$

素因数の和:284256

約数の個数: 16

約数和(自身を含む): 122788224

約数和(自身を除く): 50309319

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 284231, 852693, 1421155, 4263465, 4831927, 14495781, 24159635, 72478905]

約数ペア:

[(1, 72478905), (3, 24159635), (5, 14495781), (15, 4831927), (17, 4263465), (51, 1421155), (85, 852693), (255, 284231)]