18907695

素因数分解:

$3^3\times 5^1\times {\mathrm{140057}}^1$

素因数の和:140071

約数の個数: 16

約数和(自身を含む): 33613920

約数和(自身を除く): 14706225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140057, 420171, 700285, 1260513, 2100855, 3781539, 6302565, 18907695]

約数ペア:

[(1, 18907695), (3, 6302565), (5, 3781539), (9, 2100855), (15, 1260513), (27, 700285), (45, 420171), (135, 140057)]