28013913

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 42162120

約数和(自身を除く): 14148207

約数列:

[1, 3, 9, 29, 87, 181, 261, 543, 593, 1629, 1779, 5249, 5337, 15747, 17197, 47241, 51591, 107333, 154773, 321999, 965997, 3112657, 9337971, 28013913]

約数ペア:

[(1, 28013913), (3, 9337971), (9, 3112657), (29, 965997), (87, 321999), (181, 154773), (261, 107333), (543, 51591), (593, 47241), (1629, 17197), (1779, 15747), (5249, 5337)]