204879009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{72421}}^1$

素因数の和:72488

約数の個数: 16

約数和(自身を含む): 292005504

約数和(自身を除く): 87126495

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 72421, 217263, 1665683, 2969261, 4997049, 8907783, 68293003, 204879009]

約数ペア:

[(1, 204879009), (3, 68293003), (23, 8907783), (41, 4997049), (69, 2969261), (123, 1665683), (943, 217263), (2829, 72421)]