8100900

素因数分解:

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

素因数の和:9021

約数の個数: 54

約数和(自身を含む): 25394642

約数和(自身を除く): 17293742

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 9001, 18002, 27003, 36004, 45005, 54006, 81009, 90010, 108012, 135015, 162018, 180020, 225025, 270030, 324036, 405045, 450050, 540060, 675075, 810090, 900100, 1350150, 1620180, 2025225, 2700300, 4050450, 8100900]

約数ペア:

[(1, 8100900), (2, 4050450), (3, 2700300), (4, 2025225), (5, 1620180), (6, 1350150), (9, 900100), (10, 810090), (12, 675075), (15, 540060), (18, 450050), (20, 405045), (25, 324036), (30, 270030), (36, 225025), (45, 180020), (50, 162018), (60, 135015), (75, 108012), (90, 90010), (100, 81009), (150, 54006), (180, 45005), (225, 36004), (300, 27003), (450, 18002), (900, 9001)]