71253987

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{28513}}^1$

素因数の和:28547

約数の個数: 24

約数和(自身を含む): 117021456

約数和(自身を除く): 45767469

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 28513, 85539, 199591, 484721, 598773, 1397137, 1454163, 3393047, 4191411, 10179141, 23751329, 71253987]

約数ペア:

[(1, 71253987), (3, 23751329), (7, 10179141), (17, 4191411), (21, 3393047), (49, 1454163), (51, 1397137), (119, 598773), (147, 484721), (357, 199591), (833, 85539), (2499, 28513)]