1291230477

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{430841}}^1$

素因数の和:430890

約数の個数: 20

約数和(自身を含む): 1981011516

約数和(自身を除く): 689781039

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 430841, 1292523, 3877569, 11632707, 15941117, 34898121, 47823351, 143470053, 430410159, 1291230477]

約数ペア:

[(1, 1291230477), (3, 430410159), (9, 143470053), (27, 47823351), (37, 34898121), (81, 15941117), (111, 11632707), (333, 3877569), (999, 1292523), (2997, 430841)]