80719653

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{1033}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 125171904

約数和(自身を除く): 44452251

約数列:

[1, 3, 7, 21, 61, 183, 427, 1033, 1281, 3099, 3721, 7231, 11163, 21693, 26047, 63013, 78141, 189039, 441091, 1323273, 3843793, 11531379, 26906551, 80719653]

約数ペア:

[(1, 80719653), (3, 26906551), (7, 11531379), (21, 3843793), (61, 1323273), (183, 441091), (427, 189039), (1033, 78141), (1281, 63013), (3099, 26047), (3721, 21693), (7231, 11163)]