51240231

素因数分解:

$3^2\times 7^2\times {\mathrm{116191}}^1$

素因数の和:116211

約数の個数: 18

約数和(自身を含む): 86098272

約数和(自身を除く): 34858041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 116191, 348573, 813337, 1045719, 2440011, 5693359, 7320033, 17080077, 51240231]

約数ペア:

[(1, 51240231), (3, 17080077), (7, 7320033), (9, 5693359), (21, 2440011), (49, 1045719), (63, 813337), (147, 348573), (441, 116191)]