13405251

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1123}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 18775296

約数和(自身を除く): 5370045

約数列:

[1, 3, 23, 69, 173, 519, 1123, 3369, 3979, 11937, 25829, 77487, 194279, 582837, 4468417, 13405251]

約数ペア:

[(1, 13405251), (3, 4468417), (23, 582837), (69, 194279), (173, 77487), (519, 25829), (1123, 11937), (3369, 3979)]