28691559

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 44854992

約数和(自身を除く): 16163433

約数列:

[1, 3, 9, 13, 39, 117, 251, 753, 977, 2259, 2931, 3263, 8793, 9789, 12701, 29367, 38103, 114309, 245227, 735681, 2207043, 3187951, 9563853, 28691559]

約数ペア:

[(1, 28691559), (3, 9563853), (9, 3187951), (13, 2207043), (39, 735681), (117, 245227), (251, 114309), (753, 38103), (977, 29367), (2259, 12701), (2931, 9789), (3263, 8793)]