2021639475

素因数分解:

$3^1\times 5^2\times {\mathrm{2081}}^1\times {\mathrm{12953}}^1$

素因数の和:15047

約数の個数: 24

約数和(自身を含む): 3344308272

約数和(自身を除く): 1322668797

約数列:

[1, 3, 5, 15, 25, 75, 2081, 6243, 10405, 12953, 31215, 38859, 52025, 64765, 156075, 194295, 323825, 971475, 26955193, 80865579, 134775965, 404327895, 673879825, 2021639475]

約数ペア:

[(1, 2021639475), (3, 673879825), (5, 404327895), (15, 134775965), (25, 80865579), (75, 26955193), (2081, 971475), (6243, 323825), (10405, 194295), (12953, 156075), (31215, 64765), (38859, 52025)]