199912995

素因数分解:

$3^3\times 5^1\times {\mathrm{1480837}}^1$

素因数の和:1480851

約数の個数: 16

約数和(自身を含む): 355401120

約数和(自身を除く): 155488125

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1480837, 4442511, 7404185, 13327533, 22212555, 39982599, 66637665, 199912995]

約数ペア:

[(1, 199912995), (3, 66637665), (5, 39982599), (9, 22212555), (15, 13327533), (27, 7404185), (45, 4442511), (135, 1480837)]