198005895

素因数分解:

$3^2\times 5^1\times {\mathrm{4400131}}^1$

素因数の和:4400142

約数の個数: 12

約数和(自身を含む): 343210296

約数和(自身を除く): 145204401

約数列:

[1, 3, 5, 9, 15, 45, 4400131, 13200393, 22000655, 39601179, 66001965, 198005895]

約数ペア:

[(1, 198005895), (3, 66001965), (5, 39601179), (9, 22000655), (15, 13200393), (45, 4400131)]