2942205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{4003}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 5477472

約数和(自身を除く): 2535267

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 4003, 12009, 20015, 28021, 60045, 84063, 140105, 196147, 420315, 588441, 980735, 2942205]

約数ペア:

[(1, 2942205), (3, 980735), (5, 588441), (7, 420315), (15, 196147), (21, 140105), (35, 84063), (49, 60045), (105, 28021), (147, 20015), (245, 12009), (735, 4003)]