28004481

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{24121}}^1$

素因数の和:24173

約数の個数: 16

約数和(自身を含む): 42454720

約数和(自身を除く): 14450239

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 24121, 72363, 217089, 651267, 1037203, 3111609, 9334827, 28004481]

約数ペア:

[(1, 28004481), (3, 9334827), (9, 3111609), (27, 1037203), (43, 651267), (129, 217089), (387, 72363), (1161, 24121)]