1270293759

素因数分解:

$3^4\times 7^1\times {\mathrm{2240377}}^1$

素因数の和:2240396

約数の個数: 20

約数和(自身を含む): 2168685904

約数和(自身を除く): 898392145

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2240377, 6721131, 15682639, 20163393, 47047917, 60490179, 141143751, 181470537, 423431253, 1270293759]

約数ペア:

[(1, 1270293759), (3, 423431253), (7, 181470537), (9, 141143751), (21, 60490179), (27, 47047917), (63, 20163393), (81, 15682639), (189, 6721131), (567, 2240377)]