77805990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{864511}}^1$

素因数の和:864524

約数の個数: 24

約数和(自身を含む): 202295808

約数和(自身を除く): 124489818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 864511, 1729022, 2593533, 4322555, 5187066, 7780599, 8645110, 12967665, 15561198, 25935330, 38902995, 77805990]

約数ペア:

[(1, 77805990), (2, 38902995), (3, 25935330), (5, 15561198), (6, 12967665), (9, 8645110), (10, 7780599), (15, 5187066), (18, 4322555), (30, 2593533), (45, 1729022), (90, 864511)]