204578169

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 293068800

約数和(自身を除く): 88490631

約数列:

[1, 3, 23, 47, 69, 141, 199, 317, 597, 951, 1081, 3243, 4577, 7291, 9353, 13731, 14899, 21873, 28059, 44697, 63083, 189249, 215119, 342677, 645357, 1028031, 1450909, 2964901, 4352727, 8894703, 68192723, 204578169]

約数ペア:

[(1, 204578169), (3, 68192723), (23, 8894703), (47, 4352727), (69, 2964901), (141, 1450909), (199, 1028031), (317, 645357), (597, 342677), (951, 215119), (1081, 189249), (3243, 63083), (4577, 44697), (7291, 28059), (9353, 21873), (13731, 14899)]