28549905

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13693}}^1$

素因数の和:13840

約数の個数: 16

約数和(自身を含む): 46011840

約数和(自身を除く): 17461935

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 13693, 41079, 68465, 205395, 1903327, 5709981, 9516635, 28549905]

約数ペア:

[(1, 28549905), (3, 9516635), (5, 5709981), (15, 1903327), (139, 205395), (417, 68465), (695, 41079), (2085, 13693)]