890247429

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{354539}}^1$

素因数の和:354582

約数の個数: 20

約数和(自身を含む): 1372778880

約数和(自身を除く): 482531451

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 354539, 1063617, 3190851, 9572553, 10990709, 28717659, 32972127, 98916381, 296749143, 890247429]

約数ペア:

[(1, 890247429), (3, 296749143), (9, 98916381), (27, 32972127), (31, 28717659), (81, 10990709), (93, 9572553), (279, 3190851), (837, 1063617), (2511, 354539)]