209936601

素因数分解:

$3^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{4049}}^1$

素因数の和:4885

約数の個数: 24

約数和(自身を含む): 347068800

約数和(自身を除く): 137132199

約数列:

[1, 3, 7, 9, 21, 63, 823, 2469, 4049, 5761, 7407, 12147, 17283, 28343, 36441, 51849, 85029, 255087, 3332327, 9996981, 23326289, 29990943, 69978867, 209936601]

約数ペア:

[(1, 209936601), (3, 69978867), (7, 29990943), (9, 23326289), (21, 9996981), (63, 3332327), (823, 255087), (2469, 85029), (4049, 51849), (5761, 36441), (7407, 28343), (12147, 17283)]