11989887

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 20224512

約数和(自身を除く): 8234625

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1187, 1443, 3367, 3561, 8309, 10101, 15431, 24927, 43919, 46293, 108017, 131757, 307433, 324051, 570947, 922299, 1712841, 3996629, 11989887]

約数ペア:

[(1, 11989887), (3, 3996629), (7, 1712841), (13, 922299), (21, 570947), (37, 324051), (39, 307433), (91, 131757), (111, 108017), (259, 46293), (273, 43919), (481, 24927), (777, 15431), (1187, 10101), (1443, 8309), (3367, 3561)]