520096221

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{30431}}^1$

素因数の和:30654

約数の個数: 20

約数和(自身を含む): 780641664

約数和(自身を除く): 260545443

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 5697, 17091, 30431, 91293, 273879, 821637, 2464911, 6420941, 19262823, 57788469, 173365407, 520096221]

約数ペア:

[(1, 520096221), (3, 173365407), (9, 57788469), (27, 19262823), (81, 6420941), (211, 2464911), (633, 821637), (1899, 273879), (5697, 91293), (17091, 30431)]