289667583

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{87223}}^1$

素因数の和:87276

約数の個数: 20

約数和(自身を含む): 443272368

約数和(自身を除く): 153604785

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 87223, 261669, 785007, 2355021, 3576143, 7065063, 10728429, 32185287, 96555861, 289667583]

約数ペア:

[(1, 289667583), (3, 96555861), (9, 32185287), (27, 10728429), (41, 7065063), (81, 3576143), (123, 2355021), (369, 785007), (1107, 261669), (3321, 87223)]