1899089145

素因数分解:

$3^4\times 5^1\times {\mathrm{4689109}}^1$

素因数の和:4689126

約数の個数: 20

約数和(自身を含む): 3404293860

約数和(自身を除く): 1505204715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4689109, 14067327, 23445545, 42201981, 70336635, 126605943, 211009905, 379817829, 633029715, 1899089145]

約数ペア:

[(1, 1899089145), (3, 633029715), (5, 379817829), (9, 211009905), (15, 126605943), (27, 70336635), (45, 42201981), (81, 23445545), (135, 14067327), (405, 4689109)]