256014927

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{18223}}^1$

素因数の和:18459

約数の個数: 24

約数和(自身を含む): 424546304

約数和(自身を除く): 168531377

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 14049, 18223, 54669, 127561, 164007, 382683, 1148049, 4063729, 12191187, 28446103, 36573561, 85338309, 256014927]

約数ペア:

[(1, 256014927), (3, 85338309), (7, 36573561), (9, 28446103), (21, 12191187), (63, 4063729), (223, 1148049), (669, 382683), (1561, 164007), (2007, 127561), (4683, 54669), (14049, 18223)]