18008325

素因数分解:

$3^4\times 5^2\times {\mathrm{8893}}^1$

素因数の和:8915

約数の個数: 30

約数和(自身を含む): 33361394

約数和(自身を除く): 15353069

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8893, 26679, 44465, 80037, 133395, 222325, 240111, 400185, 666975, 720333, 1200555, 2000925, 3601665, 6002775, 18008325]

約数ペア:

[(1, 18008325), (3, 6002775), (5, 3601665), (9, 2000925), (15, 1200555), (25, 720333), (27, 666975), (45, 400185), (75, 240111), (81, 222325), (135, 133395), (225, 80037), (405, 44465), (675, 26679), (2025, 8893)]