31088142

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{90901}}^1$

素因数の和:90928

約数の個数: 24

約数和(自身を含む): 70903560

約数和(自身を除く): 39815418

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 90901, 181802, 272703, 545406, 818109, 1636218, 1727119, 3454238, 5181357, 10362714, 15544071, 31088142]

約数ペア:

[(1, 31088142), (2, 15544071), (3, 10362714), (6, 5181357), (9, 3454238), (18, 1727119), (19, 1636218), (38, 818109), (57, 545406), (114, 272703), (171, 181802), (342, 90901)]