161291277

素因数分解:

$3^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1319}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 112423923

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 647, 1319, 1941, 3957, 4529, 5823, 9233, 11871, 13587, 17469, 27699, 35613, 40761, 83097, 122283, 249291, 853393, 2560179, 5973751, 7680537, 17921253, 23041611, 53763759, 161291277]

約数ペア:

[(1, 161291277), (3, 53763759), (7, 23041611), (9, 17921253), (21, 7680537), (27, 5973751), (63, 2560179), (189, 853393), (647, 249291), (1319, 122283), (1941, 83097), (3957, 40761), (4529, 35613), (5823, 27699), (9233, 17469), (11871, 13587)]