18304971

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 26583744

約数和(自身を除く): 8278773

約数列:

[1, 3, 17, 43, 51, 129, 289, 491, 731, 867, 1473, 2193, 8347, 12427, 21113, 25041, 37281, 63339, 141899, 358921, 425697, 1076763, 6101657, 18304971]

約数ペア:

[(1, 18304971), (3, 6101657), (17, 1076763), (43, 425697), (51, 358921), (129, 141899), (289, 63339), (491, 37281), (731, 25041), (867, 21113), (1473, 12427), (2193, 8347)]