2221651395

素因数分解:

$3^4\times 5^1\times {\mathrm{5485559}}^1$

素因数の和:5485576

約数の個数: 20

約数和(自身を含む): 3982516560

約数和(自身を除く): 1760865165

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5485559, 16456677, 27427795, 49370031, 82283385, 148110093, 246850155, 444330279, 740550465, 2221651395]

約数ペア:

[(1, 2221651395), (3, 740550465), (5, 444330279), (9, 246850155), (15, 148110093), (27, 82283385), (45, 49370031), (81, 27427795), (135, 16456677), (405, 5485559)]