204520005

素因数分解:

$3^3\times 5^1\times {\mathrm{1514963}}^1$

素因数の和:1514977

約数の個数: 16

約数和(自身を含む): 363591360

約数和(自身を除く): 159071355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1514963, 4544889, 7574815, 13634667, 22724445, 40904001, 68173335, 204520005]

約数ペア:

[(1, 204520005), (3, 68173335), (5, 40904001), (9, 22724445), (15, 13634667), (27, 7574815), (45, 4544889), (135, 1514963)]