821567151

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{569}}^1\times {\mathrm{1009}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 1243512000

約数和(自身を除く): 421944849

約数列:

[1, 3, 9, 27, 53, 159, 477, 569, 1009, 1431, 1707, 3027, 5121, 9081, 15363, 27243, 30157, 53477, 90471, 160431, 271413, 481293, 574121, 814239, 1443879, 1722363, 5167089, 15501267, 30428413, 91285239, 273855717, 821567151]

約数ペア:

[(1, 821567151), (3, 273855717), (9, 91285239), (27, 30428413), (53, 15501267), (159, 5167089), (477, 1722363), (569, 1443879), (1009, 814239), (1431, 574121), (1707, 481293), (3027, 271413), (5121, 160431), (9081, 90471), (15363, 53477), (27243, 30157)]