290523897

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{111697}}^1$

素因数の和:111737

約数の個数: 18

約数和(自身を含む): 445786718

約数和(自身を除く): 155262821

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 111697, 335091, 1005273, 1898849, 5696547, 17089641, 32280433, 96841299, 290523897]

約数ペア:

[(1, 290523897), (3, 96841299), (9, 32280433), (17, 17089641), (51, 5696547), (153, 1898849), (289, 1005273), (867, 335091), (2601, 111697)]