18227025

素因数分解:

$3^4\times 5^2\times {\mathrm{9001}}^1$

素因数の和:9023

約数の個数: 30

約数和(自身を含む): 33766502

約数和(自身を除く): 15539477

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9001, 27003, 45005, 81009, 135015, 225025, 243027, 405045, 675075, 729081, 1215135, 2025225, 3645405, 6075675, 18227025]

約数ペア:

[(1, 18227025), (3, 6075675), (5, 3645405), (9, 2025225), (15, 1215135), (25, 729081), (27, 675075), (45, 405045), (75, 243027), (81, 225025), (135, 135015), (225, 81009), (405, 45005), (675, 27003), (2025, 9001)]