28704255

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24223}}^1$

素因数の和:24310

約数の個数: 16

約数和(自身を含む): 46510080

約数和(自身を除く): 17805825

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 24223, 72669, 121115, 363345, 1913617, 5740851, 9568085, 28704255]

約数ペア:

[(1, 28704255), (3, 9568085), (5, 5740851), (15, 1913617), (79, 363345), (237, 121115), (395, 72669), (1185, 24223)]