721000479

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1\times {\mathrm{4231}}^1$

素因数の和:5598

約数の個数: 16

約数和(自身を含む): 984667904

約数和(自身を除く): 263667425

約数列:

[1, 3, 43, 129, 1321, 3963, 4231, 12693, 56803, 170409, 181933, 545799, 5589151, 16767453, 240333493, 721000479]

約数ペア:

[(1, 721000479), (3, 240333493), (43, 16767453), (129, 5589151), (1321, 545799), (3963, 181933), (4231, 170409), (12693, 56803)]