30780891

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1801}}^1$

素因数の和:2024

約数の個数: 20

約数和(自身を含む): 46224904

約数和(自身を除く): 15444013

約数列:

[1, 3, 9, 27, 81, 211, 633, 1801, 1899, 5403, 5697, 16209, 17091, 48627, 145881, 380011, 1140033, 3420099, 10260297, 30780891]

約数ペア:

[(1, 30780891), (3, 10260297), (9, 3420099), (27, 1140033), (81, 380011), (211, 145881), (633, 48627), (1801, 17091), (1899, 16209), (5403, 5697)]