64807197

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{857}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 106858752

約数和(自身を除く): 42051555

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 277, 831, 857, 1939, 2571, 3601, 5817, 5999, 10803, 11141, 17997, 25207, 33423, 75621, 77987, 233961, 237389, 712167, 1661723, 3086057, 4985169, 9258171, 21602399, 64807197]

約数ペア:

[(1, 64807197), (3, 21602399), (7, 9258171), (13, 4985169), (21, 3086057), (39, 1661723), (91, 712167), (273, 237389), (277, 233961), (831, 77987), (857, 75621), (1939, 33423), (2571, 25207), (3601, 17997), (5817, 11141), (5999, 10803)]