180225

素因数分解:

$3^4\times 5^2\times {\mathrm{89}}^1$

素因数の和:111

約数の個数: 30

約数和(自身を含む): 337590

約数和(自身を除く): 157365

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 135, 225, 267, 405, 445, 675, 801, 1335, 2025, 2225, 2403, 4005, 6675, 7209, 12015, 20025, 36045, 60075, 180225]

約数ペア:

[(1, 180225), (3, 60075), (5, 36045), (9, 20025), (15, 12015), (25, 7209), (27, 6675), (45, 4005), (75, 2403), (81, 2225), (89, 2025), (135, 1335), (225, 801), (267, 675), (405, 445)]