66722481

素因数分解:

$3^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{719}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 113356800

約数和(自身を除く): 46634319

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 491, 719, 1473, 2157, 3437, 4419, 5033, 6471, 10311, 13257, 15099, 19413, 30933, 45297, 92799, 135891, 353029, 1059087, 2471203, 3177261, 7413609, 9531783, 22240827, 66722481]

約数ペア:

[(1, 66722481), (3, 22240827), (7, 9531783), (9, 7413609), (21, 3177261), (27, 2471203), (63, 1059087), (189, 353029), (491, 135891), (719, 92799), (1473, 45297), (2157, 30933), (3437, 19413), (4419, 15099), (5033, 13257), (6471, 10311)]