9888939081

素因数分解:

$3^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{149921}}^1$

素因数の和:150286

約数の個数: 32

約数和(自身を含む): 16791264000

約数和(自身を除く): 6902324919

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 349, 1047, 2443, 3141, 7329, 9423, 21987, 65961, 149921, 449763, 1049447, 1349289, 3148341, 4047867, 9445023, 28335069, 52322429, 156967287, 366257003, 470901861, 1098771009, 1412705583, 3296313027, 9888939081]

約数ペア:

[(1, 9888939081), (3, 3296313027), (7, 1412705583), (9, 1098771009), (21, 470901861), (27, 366257003), (63, 156967287), (189, 52322429), (349, 28335069), (1047, 9445023), (2443, 4047867), (3141, 3148341), (7329, 1349289), (9423, 1049447), (21987, 449763), (65961, 149921)]