18490005

素因数分解:

$3^3\times 5^1\times {\mathrm{136963}}^1$

素因数の和:136977

約数の個数: 16

約数和(自身を含む): 32871360

約数和(自身を除く): 14381355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 136963, 410889, 684815, 1232667, 2054445, 3698001, 6163335, 18490005]

約数ペア:

[(1, 18490005), (3, 6163335), (5, 3698001), (9, 2054445), (15, 1232667), (27, 684815), (45, 410889), (135, 136963)]