163947321

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{33181}}^1$

素因数の和:33254

約数の個数: 20

約数和(自身を含む): 248931364

約数和(自身を除く): 84984043

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 33181, 99543, 298629, 895887, 2024041, 2687661, 6072123, 18216369, 54649107, 163947321]

約数ペア:

[(1, 163947321), (3, 54649107), (9, 18216369), (27, 6072123), (61, 2687661), (81, 2024041), (183, 895887), (549, 298629), (1647, 99543), (4941, 33181)]