206670249

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:658

約数の個数: 36

約数和(自身を含む): 316431024

約数和(自身を除く): 109760775

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 523, 529, 747, 1569, 1587, 1909, 4707, 4761, 5727, 12029, 17181, 36087, 43409, 43907, 108261, 130227, 131721, 276667, 390681, 395163, 830001, 998407, 2490003, 2995221, 8985663, 22963361, 68890083, 206670249]

約数ペア:

[(1, 206670249), (3, 68890083), (9, 22963361), (23, 8985663), (69, 2995221), (83, 2490003), (207, 998407), (249, 830001), (523, 395163), (529, 390681), (747, 276667), (1569, 131721), (1587, 130227), (1909, 108261), (4707, 43907), (4761, 43409), (5727, 36087), (12029, 17181)]