28849221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 44440344

約数和(自身を除く): 15591123

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1201, 1413, 2669, 3603, 8007, 10809, 20417, 24021, 61251, 183753, 188557, 565671, 1697013, 3205469, 9616407, 28849221]

約数ペア:

[(1, 28849221), (3, 9616407), (9, 3205469), (17, 1697013), (51, 565671), (153, 188557), (157, 183753), (471, 61251), (1201, 24021), (1413, 20417), (2669, 10809), (3603, 8007)]