11756421

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7670

約数の個数: 20

約数和(自身を含む): 18488800

約数和(自身を除く): 6732379

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7639, 22917, 68751, 145141, 206253, 435423, 618759, 1306269, 3918807, 11756421]

約数ペア:

[(1, 11756421), (3, 3918807), (9, 1306269), (19, 618759), (27, 435423), (57, 206253), (81, 145141), (171, 68751), (513, 22917), (1539, 7639)]