28386495

素因数分解:

$3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1787}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 49370256

約数和(自身を除く): 20983761

約数列:

[1, 3, 5, 9, 15, 45, 353, 1059, 1765, 1787, 3177, 5295, 5361, 8935, 15885, 16083, 26805, 80415, 630811, 1892433, 3154055, 5677299, 9462165, 28386495]

約数ペア:

[(1, 28386495), (3, 9462165), (5, 5677299), (9, 3154055), (15, 1892433), (45, 630811), (353, 80415), (1059, 26805), (1765, 16083), (1787, 15885), (3177, 8935), (5295, 5361)]