28079703

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5683}}^1$

素因数の和:5756

約数の個数: 20

約数和(自身を含む): 42641368

約数和(自身を除く): 14561665

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5683, 17049, 51147, 153441, 346663, 460323, 1039989, 3119967, 9359901, 28079703]

約数ペア:

[(1, 28079703), (3, 9359901), (9, 3119967), (27, 1039989), (61, 460323), (81, 346663), (183, 153441), (549, 51147), (1647, 17049), (4941, 5683)]