18041908545

素因数分解:

$3^3\times 5^1\times {\mathrm{133643767}}^1$

素因数の和:133643781

約数の個数: 16

約数和(自身を含む): 32074504320

約数和(自身を除く): 14032595775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133643767, 400931301, 668218835, 1202793903, 2004656505, 3608381709, 6013969515, 18041908545]

約数ペア:

[(1, 18041908545), (3, 6013969515), (5, 3608381709), (9, 2004656505), (15, 1202793903), (27, 668218835), (45, 400931301), (135, 133643767)]