208090089

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 304740800

約数和(自身を除く): 96650711

約数列:

[1, 3, 9, 139, 181, 417, 543, 919, 1251, 1629, 2757, 8271, 25159, 75477, 127741, 166339, 226431, 383223, 499017, 1149669, 1497051, 23121121, 69363363, 208090089]

約数ペア:

[(1, 208090089), (3, 69363363), (9, 23121121), (139, 1497051), (181, 1149669), (417, 499017), (543, 383223), (919, 226431), (1251, 166339), (1629, 127741), (2757, 75477), (8271, 25159)]