64521919

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4481}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 85839264

約数和(自身を除く): 21317345

約数列:

[1, 7, 11, 17, 77, 119, 121, 187, 847, 1309, 2057, 4481, 14399, 31367, 49291, 76177, 345037, 533239, 542201, 837947, 3795407, 5865629, 9217417, 64521919]

約数ペア:

[(1, 64521919), (7, 9217417), (11, 5865629), (17, 3795407), (77, 837947), (119, 542201), (121, 533239), (187, 345037), (847, 76177), (1309, 49291), (2057, 31367), (4481, 14399)]