28811265

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{39199}}^1$

素因数の和:39221

約数の個数: 24

約数和(自身を含む): 53625600

約数和(自身を除く): 24814335

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 39199, 117597, 195995, 274393, 587985, 823179, 1371965, 1920751, 4115895, 5762253, 9603755, 28811265]

約数ペア:

[(1, 28811265), (3, 9603755), (5, 5762253), (7, 4115895), (15, 1920751), (21, 1371965), (35, 823179), (49, 587985), (105, 274393), (147, 195995), (245, 117597), (735, 39199)]