489740013

素因数分解:

$3^6\times 7^1\times {\mathrm{95971}}^1$

素因数の和:95996

約数の個数: 28

約数和(自身を含む): 839179168

約数和(自身を除く): 349439155

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 95971, 287913, 671797, 863739, 2015391, 2591217, 6046173, 7773651, 18138519, 23320953, 54415557, 69962859, 163246671, 489740013]

約数ペア:

[(1, 489740013), (3, 163246671), (7, 69962859), (9, 54415557), (21, 23320953), (27, 18138519), (63, 7773651), (81, 6046173), (189, 2591217), (243, 2015391), (567, 863739), (729, 671797), (1701, 287913), (5103, 95971)]