18156591

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 27555840

約数和(自身を除く): 9399249

約数列:

[1, 3, 9, 23, 69, 207, 239, 367, 717, 1101, 2151, 3303, 5497, 8441, 16491, 25323, 49473, 75969, 87713, 263139, 789417, 2017399, 6052197, 18156591]

約数ペア:

[(1, 18156591), (3, 6052197), (9, 2017399), (23, 789417), (69, 263139), (207, 87713), (239, 75969), (367, 49473), (717, 25323), (1101, 16491), (2151, 8441), (3303, 5497)]