18778527

素因数分解:

$3^3\times {\mathrm{449}}^1\times {\mathrm{1549}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 27900000

約数和(自身を除く): 9121473

約数列:

[1, 3, 9, 27, 449, 1347, 1549, 4041, 4647, 12123, 13941, 41823, 695501, 2086503, 6259509, 18778527]

約数ペア:

[(1, 18778527), (3, 6259509), (9, 2086503), (27, 695501), (449, 41823), (1347, 13941), (1549, 12123), (4041, 4647)]