11920389

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 17902080

約数和(自身を除く): 5981691

約数列:

[1, 3, 13, 39, 53, 73, 79, 159, 219, 237, 689, 949, 1027, 2067, 2847, 3081, 3869, 4187, 5767, 11607, 12561, 17301, 50297, 54431, 74971, 150891, 163293, 224913, 305651, 916953, 3973463, 11920389]

約数ペア:

[(1, 11920389), (3, 3973463), (13, 916953), (39, 305651), (53, 224913), (73, 163293), (79, 150891), (159, 74971), (219, 54431), (237, 50297), (689, 17301), (949, 12561), (1027, 11607), (2067, 5767), (2847, 4187), (3081, 3869)]