17999724285

素因数分解:

$3^3\times 5^1\times {\mathrm{133331291}}^1$

素因数の和:133331305

約数の個数: 16

約数和(自身を含む): 31999510080

約数和(自身を除く): 13999785795

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133331291, 399993873, 666656455, 1199981619, 1999969365, 3599944857, 5999908095, 17999724285]

約数ペア:

[(1, 17999724285), (3, 5999908095), (5, 3599944857), (9, 1999969365), (15, 1199981619), (27, 666656455), (45, 399993873), (135, 133331291)]