222012171

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{66851}}^1$

素因数の和:66904

約数の個数: 20

約数和(自身を含む): 339741864

約数和(自身を除く): 117729693

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 66851, 200553, 601659, 1804977, 2740891, 5414931, 8222673, 24668019, 74004057, 222012171]

約数ペア:

[(1, 222012171), (3, 74004057), (9, 24668019), (27, 8222673), (41, 5414931), (81, 2740891), (123, 1804977), (369, 601659), (1107, 200553), (3321, 66851)]