13239945

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9491}}^1$

素因数の和:9533

約数の個数: 24

約数和(自身を含む): 23692032

約数和(自身を除く): 10452087

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 9491, 28473, 47455, 85419, 142365, 294221, 427095, 882663, 1471105, 2647989, 4413315, 13239945]

約数ペア:

[(1, 13239945), (3, 4413315), (5, 2647989), (9, 1471105), (15, 882663), (31, 427095), (45, 294221), (93, 142365), (155, 85419), (279, 47455), (465, 28473), (1395, 9491)]