12221331

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 16790400

約数和(自身を除く): 4569069

約数列:

[1, 3, 43, 129, 211, 449, 633, 1347, 9073, 19307, 27219, 57921, 94739, 284217, 4073777, 12221331]

約数ペア:

[(1, 12221331), (3, 4073777), (43, 284217), (129, 94739), (211, 57921), (449, 27219), (633, 19307), (1347, 9073)]