66550005

素因数分解:

$3^4\times 5^1\times {\mathrm{164321}}^1$

素因数の和:164338

約数の個数: 20

約数和(自身を含む): 119297772

約数和(自身を除く): 52747767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 164321, 492963, 821605, 1478889, 2464815, 4436667, 7394445, 13310001, 22183335, 66550005]

約数ペア:

[(1, 66550005), (3, 22183335), (5, 13310001), (9, 7394445), (15, 4436667), (27, 2464815), (45, 1478889), (81, 821605), (135, 492963), (405, 164321)]