1241235819

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{806521}}^1$

素因数の和:806552

約数の個数: 20

約数和(自身を含む): 1951783240

約数和(自身を除く): 710547421

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 806521, 2419563, 7258689, 15323899, 21776067, 45971697, 65328201, 137915091, 413745273, 1241235819]

約数ペア:

[(1, 1241235819), (3, 413745273), (9, 137915091), (19, 65328201), (27, 45971697), (57, 21776067), (81, 15323899), (171, 7258689), (513, 2419563), (1539, 806521)]