219310557

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 324518400

約数和(自身を除く): 105207843

約数列:

[1, 3, 17, 29, 51, 79, 87, 237, 493, 1343, 1479, 1877, 2291, 4029, 5631, 6873, 31909, 38947, 54433, 95727, 116841, 148283, 163299, 444849, 925361, 2520811, 2776083, 4300207, 7562433, 12900621, 73103519, 219310557]

約数ペア:

[(1, 219310557), (3, 73103519), (17, 12900621), (29, 7562433), (51, 4300207), (79, 2776083), (87, 2520811), (237, 925361), (493, 444849), (1343, 163299), (1479, 148283), (1877, 116841), (2291, 95727), (4029, 54433), (5631, 38947), (6873, 31909)]