2017431765

素因数分解:

$3^4\times 5^1\times {\mathrm{4981313}}^1$

素因数の和:4981330

約数の個数: 20

約数和(自身を含む): 3616433964

約数和(自身を除く): 1599002199

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4981313, 14943939, 24906565, 44831817, 74719695, 134495451, 224159085, 403486353, 672477255, 2017431765]

約数ペア:

[(1, 2017431765), (3, 672477255), (5, 403486353), (9, 224159085), (15, 134495451), (27, 74719695), (45, 44831817), (81, 24906565), (135, 14943939), (405, 4981313)]