80871945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70019}}^1$

素因数の和:70045

約数の個数: 32

約数和(自身を含む): 161326080

約数和(自身を除く): 80454135

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 70019, 210057, 350095, 490133, 770209, 1050285, 1470399, 2310627, 2450665, 3851045, 5391463, 7351995, 11553135, 16174389, 26957315, 80871945]

約数ペア:

[(1, 80871945), (3, 26957315), (5, 16174389), (7, 11553135), (11, 7351995), (15, 5391463), (21, 3851045), (33, 2450665), (35, 2310627), (55, 1470399), (77, 1050285), (105, 770209), (165, 490133), (231, 350095), (385, 210057), (1155, 70019)]