1991325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{3793}}^1$

素因数の和:3813

約数の個数: 24

約数和(自身を含む): 3763648

約数和(自身を除く): 1772323

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 3793, 11379, 18965, 26551, 56895, 79653, 94825, 132755, 284475, 398265, 663775, 1991325]

約数ペア:

[(1, 1991325), (3, 663775), (5, 398265), (7, 284475), (15, 132755), (21, 94825), (25, 79653), (35, 56895), (75, 26551), (105, 18965), (175, 11379), (525, 3793)]