2128485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 3625056

約数和(自身を除く): 1496571

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 491, 867, 1445, 1473, 2455, 4335, 7365, 8347, 25041, 41735, 125205, 141899, 425697, 709495, 2128485]

約数ペア:

[(1, 2128485), (3, 709495), (5, 425697), (15, 141899), (17, 125205), (51, 41735), (85, 25041), (255, 8347), (289, 7365), (491, 4335), (867, 2455), (1445, 1473)]