25687389

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4091}}^1$

素因数の和:4137

約数の個数: 32

約数和(自身を含む): 43997184

約数和(自身を除く): 18309795

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 4091, 6279, 12273, 28637, 53183, 85911, 94093, 159549, 282279, 372281, 658651, 1116843, 1223209, 1975953, 3669627, 8562463, 25687389]

約数ペア:

[(1, 25687389), (3, 8562463), (7, 3669627), (13, 1975953), (21, 1223209), (23, 1116843), (39, 658651), (69, 372281), (91, 282279), (161, 159549), (273, 94093), (299, 85911), (483, 53183), (897, 28637), (2093, 12273), (4091, 6279)]