19551231

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3739}}^1$

素因数の和:3835

約数の個数: 24

約数和(自身を含む): 32672640

約数和(自身を除く): 13121409

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3739, 5229, 11217, 26173, 33651, 78519, 235557, 310337, 931011, 2172359, 2793033, 6517077, 19551231]

約数ペア:

[(1, 19551231), (3, 6517077), (7, 2793033), (9, 2172359), (21, 931011), (63, 310337), (83, 235557), (249, 78519), (581, 33651), (747, 26173), (1743, 11217), (3739, 5229)]