1639194621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{971}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 2351462400

約数和(自身を除く): 712267779

約数列:

[1, 3, 17, 51, 79, 237, 419, 971, 1257, 1343, 2913, 4029, 7123, 16507, 21369, 33101, 49521, 76709, 99303, 230127, 406849, 562717, 1220547, 1304053, 1688151, 3912159, 6916433, 20749299, 32141071, 96423213, 546398207, 1639194621]

約数ペア:

[(1, 1639194621), (3, 546398207), (17, 96423213), (51, 32141071), (79, 20749299), (237, 6916433), (419, 3912159), (971, 1688151), (1257, 1304053), (1343, 1220547), (2913, 562717), (4029, 406849), (7123, 230127), (16507, 99303), (21369, 76709), (33101, 49521)]