80217783

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{4441}}^1$

素因数の和:4676

約数の個数: 20

約数和(自身を含む): 120395968

約数和(自身を除く): 40178185

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 4441, 6021, 13323, 18063, 39969, 119907, 359721, 990343, 2971029, 8913087, 26739261, 80217783]

約数ペア:

[(1, 80217783), (3, 26739261), (9, 8913087), (27, 2971029), (81, 990343), (223, 359721), (669, 119907), (2007, 39969), (4441, 18063), (6021, 13323)]