721121283

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{34403}}^1$

素因数の和:34563

約数の個数: 24

約数和(自身を含む): 1110973968

約数和(自身を除く): 389852685

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 2329, 6987, 20961, 34403, 103209, 309627, 584851, 1754553, 4713211, 5263659, 14139633, 42418899, 80124587, 240373761, 721121283]

約数ペア:

[(1, 721121283), (3, 240373761), (9, 80124587), (17, 42418899), (51, 14139633), (137, 5263659), (153, 4713211), (411, 1754553), (1233, 584851), (2329, 309627), (6987, 103209), (20961, 34403)]