420792021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{28319}}^1$

素因数の和:28465

約数の個数: 24

約数和(自身を含む): 659742720

約数和(自身を除く): 238950699

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1651, 4953, 14859, 28319, 84957, 254871, 368147, 1104441, 3313323, 3596513, 10789539, 32368617, 46754669, 140264007, 420792021]

約数ペア:

[(1, 420792021), (3, 140264007), (9, 46754669), (13, 32368617), (39, 10789539), (117, 3596513), (127, 3313323), (381, 1104441), (1143, 368147), (1651, 254871), (4953, 84957), (14859, 28319)]