66545145

素因数分解:

$3^4\times 5^1\times {\mathrm{164309}}^1$

素因数の和:164326

約数の個数: 20

約数和(自身を含む): 119289060

約数和(自身を除く): 52743915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 164309, 492927, 821545, 1478781, 2464635, 4436343, 7393905, 13309029, 22181715, 66545145]

約数ペア:

[(1, 66545145), (3, 22181715), (5, 13309029), (9, 7393905), (15, 4436343), (27, 2464635), (45, 1478781), (81, 821545), (135, 492927), (405, 164309)]