1283445

素因数分解:

$3^4\times 5^1\times {\mathrm{3169}}^1$

素因数の和:3186

約数の個数: 20

約数和(自身を含む): 2301420

約数和(自身を除く): 1017975

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3169, 9507, 15845, 28521, 47535, 85563, 142605, 256689, 427815, 1283445]

約数ペア:

[(1, 1283445), (3, 427815), (5, 256689), (9, 142605), (15, 85563), (27, 47535), (45, 28521), (81, 15845), (135, 9507), (405, 3169)]