2021072025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89527}}^1$

素因数の和:89590

約数の個数: 48

約数和(自身を含む): 3907718144

約数和(自身を除く): 1886646119

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3225, 4515, 7525, 22575, 89527, 268581, 447635, 626689, 1342905, 1880067, 2238175, 3133445, 3849661, 6714525, 9400335, 11548983, 15667225, 19248305, 26947627, 47001675, 57744915, 80842881, 96241525, 134738135, 288724575, 404214405, 673690675, 2021072025]

約数ペア:

[(1, 2021072025), (3, 673690675), (5, 404214405), (7, 288724575), (15, 134738135), (21, 96241525), (25, 80842881), (35, 57744915), (43, 47001675), (75, 26947627), (105, 19248305), (129, 15667225), (175, 11548983), (215, 9400335), (301, 6714525), (525, 3849661), (645, 3133445), (903, 2238175), (1075, 1880067), (1505, 1342905), (3225, 626689), (4515, 447635), (7525, 268581), (22575, 89527)]