7311681

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 12001920

約数和(自身を除く): 4690239

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 563, 999, 1443, 1689, 4329, 5067, 7319, 12987, 15201, 20831, 21957, 62493, 65871, 187479, 197613, 270803, 562437, 812409, 2437227, 7311681]

約数ペア:

[(1, 7311681), (3, 2437227), (9, 812409), (13, 562437), (27, 270803), (37, 197613), (39, 187479), (111, 65871), (117, 62493), (333, 21957), (351, 20831), (481, 15201), (563, 12987), (999, 7319), (1443, 5067), (1689, 4329)]