20210145

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^2\times {\mathrm{127}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 32910336

約数和(自身を除く): 12700191

約数列:

[1, 3, 5, 15, 103, 127, 309, 381, 515, 635, 1545, 1905, 10609, 13081, 31827, 39243, 53045, 65405, 159135, 196215, 1347343, 4042029, 6736715, 20210145]

約数ペア:

[(1, 20210145), (3, 6736715), (5, 4042029), (15, 1347343), (103, 196215), (127, 159135), (309, 65405), (381, 53045), (515, 39243), (635, 31827), (1545, 13081), (1905, 10609)]