28780089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5309}}^1$

素因数の和:5464

約数の個数: 16

約数和(自身を含む): 41630400

約数和(自身を除く): 12850311

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5309, 5421, 15927, 69017, 207051, 737951, 2213853, 9593363, 28780089]

約数ペア:

[(1, 28780089), (3, 9593363), (13, 2213853), (39, 737951), (139, 207051), (417, 69017), (1807, 15927), (5309, 5421)]