17987643

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{16249}}^1$

素因数の和:16299

約数の個数: 16

約数和(自身を含む): 27300000

約数和(自身を除く): 9312357

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 16249, 48747, 146241, 438723, 666209, 1998627, 5995881, 17987643]

約数ペア:

[(1, 17987643), (3, 5995881), (9, 1998627), (27, 666209), (41, 438723), (123, 146241), (369, 48747), (1107, 16249)]