21600675

素因数分解:

$3^4\times 5^2\times {\mathrm{10667}}^1$

素因数の和:10689

約数の個数: 30

約数和(自身を含む): 40015668

約数和(自身を除く): 18414993

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10667, 32001, 53335, 96003, 160005, 266675, 288009, 480015, 800025, 864027, 1440045, 2400075, 4320135, 7200225, 21600675]

約数ペア:

[(1, 21600675), (3, 7200225), (5, 4320135), (9, 2400075), (15, 1440045), (25, 864027), (27, 800025), (45, 480015), (75, 288009), (81, 266675), (135, 160005), (225, 96003), (405, 53335), (675, 32001), (2025, 10667)]