221962005

素因数分解:

$3^3\times 5^1\times {\mathrm{1644163}}^1$

素因数の和:1644177

約数の個数: 16

約数和(自身を含む): 394599360

約数和(自身を除く): 172637355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1644163, 4932489, 8220815, 14797467, 24662445, 44392401, 73987335, 221962005]

約数ペア:

[(1, 221962005), (3, 73987335), (5, 44392401), (9, 24662445), (15, 14797467), (27, 8220815), (45, 4932489), (135, 1644163)]