1320221445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5177339}}^1$

素因数の和:5177364

約数の個数: 16

約数和(自身を含む): 2236610880

約数和(自身を除く): 916389435

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 5177339, 15532017, 25886695, 77660085, 88014763, 264044289, 440073815, 1320221445]

約数ペア:

[(1, 1320221445), (3, 440073815), (5, 264044289), (15, 88014763), (17, 77660085), (51, 25886695), (85, 15532017), (255, 5177339)]