161683389

素因数分解:

$3^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1601}}^1$

素因数の和:1850

約数の個数: 36

約数和(自身を含む): 273028860

約数和(自身を除く): 111345471

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 229, 441, 687, 1601, 1603, 2061, 4803, 4809, 11207, 11221, 14409, 14427, 33621, 33663, 78449, 100863, 100989, 235347, 366629, 706041, 1099887, 2566403, 3299661, 7699209, 17964821, 23097627, 53894463, 161683389]

約数ペア:

[(1, 161683389), (3, 53894463), (7, 23097627), (9, 17964821), (21, 7699209), (49, 3299661), (63, 2566403), (147, 1099887), (229, 706041), (441, 366629), (687, 235347), (1601, 100989), (1603, 100863), (2061, 78449), (4803, 33663), (4809, 33621), (11207, 14427), (11221, 14409)]