557470269

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{42223}}^1$

素因数の和:42398

約数の個数: 20

約数和(自身を含む): 837893056

約数和(自身を除く): 280422787

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 13203, 42223, 126669, 380007, 1140021, 3420063, 6882349, 20647047, 61941141, 185823423, 557470269]

約数ペア:

[(1, 557470269), (3, 185823423), (9, 61941141), (27, 20647047), (81, 6882349), (163, 3420063), (489, 1140021), (1467, 380007), (4401, 126669), (13203, 42223)]