209569545

素因数分解:

$3^3\times 5^1\times {\mathrm{1552367}}^1$

素因数の和:1552381

約数の個数: 16

約数和(自身を含む): 372568320

約数和(自身を除く): 162998775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1552367, 4657101, 7761835, 13971303, 23285505, 41913909, 69856515, 209569545]

約数ペア:

[(1, 209569545), (3, 69856515), (5, 41913909), (9, 23285505), (15, 13971303), (27, 7761835), (45, 4657101), (135, 1552367)]