18399825

素因数分解:

$3^3\times 5^2\times {\mathrm{27259}}^1$

素因数の和:27278

約数の個数: 24

約数和(自身を含む): 33802400

約数和(自身を除く): 15402575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 27259, 81777, 136295, 245331, 408885, 681475, 735993, 1226655, 2044425, 3679965, 6133275, 18399825]

約数ペア:

[(1, 18399825), (3, 6133275), (5, 3679965), (9, 2044425), (15, 1226655), (25, 735993), (27, 681475), (45, 408885), (75, 245331), (135, 136295), (225, 81777), (675, 27259)]