19359999

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 10396161

約数列:

[1, 3, 9, 27, 53, 83, 159, 163, 249, 477, 489, 747, 1431, 1467, 2241, 4399, 4401, 8639, 13197, 13529, 25917, 39591, 40587, 77751, 118773, 121761, 233253, 365283, 717037, 2151111, 6453333, 19359999]

約数ペア:

[(1, 19359999), (3, 6453333), (9, 2151111), (27, 717037), (53, 365283), (83, 233253), (159, 121761), (163, 118773), (249, 77751), (477, 40587), (489, 39591), (747, 25917), (1431, 13529), (1467, 13197), (2241, 8639), (4399, 4401)]