289968309

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 435815040

約数和(自身を除く): 145846731

約数列:

[1, 3, 9, 27, 137, 277, 283, 411, 831, 849, 1233, 2493, 2547, 3699, 7479, 7641, 37949, 38771, 78391, 113847, 116313, 235173, 341541, 348939, 705519, 1024623, 1046817, 2116557, 10739567, 32218701, 96656103, 289968309]

約数ペア:

[(1, 289968309), (3, 96656103), (9, 32218701), (27, 10739567), (137, 2116557), (277, 1046817), (283, 1024623), (411, 705519), (831, 348939), (849, 341541), (1233, 235173), (2493, 116313), (2547, 113847), (3699, 78391), (7479, 38771), (7641, 37949)]