81609045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26801}}^1$

素因数の和:26845

約数の個数: 32

約数和(自身を含む): 154379520

約数和(自身を除く): 72770475

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 26801, 80403, 134005, 187607, 402015, 562821, 777229, 938035, 2331687, 2814105, 3886145, 5440603, 11658435, 16321809, 27203015, 81609045]

約数ペア:

[(1, 81609045), (3, 27203015), (5, 16321809), (7, 11658435), (15, 5440603), (21, 3886145), (29, 2814105), (35, 2331687), (87, 938035), (105, 777229), (145, 562821), (203, 402015), (435, 187607), (609, 134005), (1015, 80403), (3045, 26801)]