1020003845

素因数分解:

$5^1\times 7^2\times {\mathrm{4163281}}^1$

素因数の和:4163300

約数の個数: 12

約数和(自身を含む): 1423842444

約数和(自身を除く): 403838599

約数列:

[1, 5, 7, 35, 49, 245, 4163281, 20816405, 29142967, 145714835, 204000769, 1020003845]

約数ペア:

[(1, 1020003845), (5, 204000769), (7, 145714835), (35, 29142967), (49, 20816405), (245, 4163281)]