80934147

素因数分解:

$3^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 138908000

約数和(自身を除く): 57973853

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 349, 409, 567, 1047, 1227, 2443, 2863, 3141, 3681, 7329, 8589, 9423, 11043, 21987, 25767, 28269, 33129, 65961, 77301, 142741, 197883, 231903, 428223, 999187, 1284669, 2997561, 3854007, 8992683, 11562021, 26978049, 80934147]

約数ペア:

[(1, 80934147), (3, 26978049), (7, 11562021), (9, 8992683), (21, 3854007), (27, 2997561), (63, 1284669), (81, 999187), (189, 428223), (349, 231903), (409, 197883), (567, 142741), (1047, 77301), (1227, 65961), (2443, 33129), (2863, 28269), (3141, 25767), (3681, 21987), (7329, 11043), (8589, 9423)]