28862457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23873}}^1$

素因数の和:23920

約数の個数: 16

約数和(自身を含む): 42782208

約数和(自身を除く): 13919751

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23873, 71619, 310349, 740063, 931047, 2220189, 9620819, 28862457]

約数ペア:

[(1, 28862457), (3, 9620819), (13, 2220189), (31, 931047), (39, 740063), (93, 310349), (403, 71619), (1209, 23873)]