225878265

素因数分解:

$3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{18121}}^1$

素因数の和:18409

約数の個数: 24

約数和(自身を含む): 392957448

約数和(自身を除く): 167079183

約数列:

[1, 3, 5, 9, 15, 45, 277, 831, 1385, 2493, 4155, 12465, 18121, 54363, 90605, 163089, 271815, 815445, 5019517, 15058551, 25097585, 45175653, 75292755, 225878265]

約数ペア:

[(1, 225878265), (3, 75292755), (5, 45175653), (9, 25097585), (15, 15058551), (45, 5019517), (277, 815445), (831, 271815), (1385, 163089), (2493, 90605), (4155, 54363), (12465, 18121)]