18165009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6421}}^1$

素因数の和:6488

約数の個数: 16

約数和(自身を含む): 25893504

約数和(自身を除く): 7728495

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 6421, 19263, 147683, 263261, 443049, 789783, 6055003, 18165009]

約数ペア:

[(1, 18165009), (3, 6055003), (23, 789783), (41, 443049), (69, 263261), (123, 147683), (943, 19263), (2829, 6421)]