51331581

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12161}}^1$

素因数の和:12241

約数の個数: 24

約数和(自身を含む): 86009664

約数和(自身を除く): 34678083

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 12161, 36483, 85127, 109449, 255381, 766143, 814787, 2444361, 5703509, 7333083, 17110527, 51331581]

約数ペア:

[(1, 51331581), (3, 17110527), (7, 7333083), (9, 5703509), (21, 2444361), (63, 814787), (67, 766143), (201, 255381), (469, 109449), (603, 85127), (1407, 36483), (4221, 12161)]