16811793

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 27573480

約数和(自身を除く): 10761687

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 261, 421, 459, 493, 783, 1263, 1377, 1479, 2349, 3789, 4437, 7157, 11367, 12209, 13311, 21471, 34101, 36627, 39933, 64413, 109881, 193239, 207553, 329643, 579717, 622659, 988929, 1867977, 5603931, 16811793]

約数ペア:

[(1, 16811793), (3, 5603931), (9, 1867977), (17, 988929), (27, 622659), (29, 579717), (51, 329643), (81, 207553), (87, 193239), (153, 109881), (261, 64413), (421, 39933), (459, 36627), (493, 34101), (783, 21471), (1263, 13311), (1377, 12209), (1479, 11367), (2349, 7157), (3789, 4437)]