497387547

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{361211}}^1$

素因数の和:361240

約数の個数: 20

約数和(自身を含む): 786719736

約数和(自身を除く): 289332189

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 361211, 1083633, 3250899, 6140587, 9752697, 18421761, 29258091, 55265283, 165795849, 497387547]

約数ペア:

[(1, 497387547), (3, 165795849), (9, 55265283), (17, 29258091), (27, 18421761), (51, 9752697), (81, 6140587), (153, 3250899), (459, 1083633), (1377, 361211)]