231657465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1447}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 399926016

約数和(自身を除く): 168268551

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 821, 1447, 2463, 4105, 4341, 7235, 10673, 12315, 18811, 21705, 32019, 53365, 56433, 94055, 160095, 282165, 1187987, 3563961, 5939935, 15443831, 17819805, 46331493, 77219155, 231657465]

約数ペア:

[(1, 231657465), (3, 77219155), (5, 46331493), (13, 17819805), (15, 15443831), (39, 5939935), (65, 3563961), (195, 1187987), (821, 282165), (1447, 160095), (2463, 94055), (4105, 56433), (4341, 53365), (7235, 32019), (10673, 21705), (12315, 18811)]