18279171

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 27284400

約数和(自身を除く): 9005229

約数列:

[1, 3, 9, 43, 129, 149, 317, 387, 447, 951, 1341, 2853, 6407, 13631, 19221, 40893, 47233, 57663, 122679, 141699, 425097, 2031019, 6093057, 18279171]

約数ペア:

[(1, 18279171), (3, 6093057), (9, 2031019), (43, 425097), (129, 141699), (149, 122679), (317, 57663), (387, 47233), (447, 40893), (951, 19221), (1341, 13631), (2853, 6407)]