31098231

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7907}}^1$

素因数の和:7955

約数の個数: 24

約数和(自身を含む): 49345920

約数和(自身を除く): 18247689

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 7907, 23721, 71163, 150233, 181861, 450699, 545583, 1352097, 1636749, 3455359, 10366077, 31098231]

約数ペア:

[(1, 31098231), (3, 10366077), (9, 3455359), (19, 1636749), (23, 1352097), (57, 545583), (69, 450699), (171, 181861), (207, 150233), (437, 71163), (1311, 23721), (3933, 7907)]