42525525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{81001}}^1$

素因数の和:81021

約数の個数: 24

約数和(自身を含む): 80353984

約数和(自身を除く): 37828459

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 81001, 243003, 405005, 567007, 1215015, 1701021, 2025025, 2835035, 6075075, 8505105, 14175175, 42525525]

約数ペア:

[(1, 42525525), (3, 14175175), (5, 8505105), (7, 6075075), (15, 2835035), (21, 2025025), (25, 1701021), (35, 1215015), (75, 567007), (105, 405005), (175, 243003), (525, 81001)]