78894459

素因数分解:

$3^3\times 7^4\times {\mathrm{1217}}^1$

素因数の和:1254

約数の個数: 40

約数和(自身を含む): 136464720

約数和(自身を除く): 57570261

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1217, 1323, 2401, 3087, 3651, 7203, 8519, 9261, 10953, 21609, 25557, 32859, 59633, 64827, 76671, 178899, 230013, 417431, 536697, 1252293, 1610091, 2922017, 3756879, 8766051, 11270637, 26298153, 78894459]

約数ペア:

[(1, 78894459), (3, 26298153), (7, 11270637), (9, 8766051), (21, 3756879), (27, 2922017), (49, 1610091), (63, 1252293), (147, 536697), (189, 417431), (343, 230013), (441, 178899), (1029, 76671), (1217, 64827), (1323, 59633), (2401, 32859), (3087, 25557), (3651, 21609), (7203, 10953), (8519, 9261)]