248880879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{4229}}^1$

素因数の和:4751

約数の個数: 24

約数和(自身を含む): 388009440

約数和(自身を除く): 139128561

約数列:

[1, 3, 9, 13, 39, 117, 503, 1509, 4229, 4527, 6539, 12687, 19617, 38061, 54977, 58851, 164931, 494793, 2127187, 6381561, 19144683, 27653431, 82960293, 248880879]

約数ペア:

[(1, 248880879), (3, 82960293), (9, 27653431), (13, 19144683), (39, 6381561), (117, 2127187), (503, 494793), (1509, 164931), (4229, 58851), (4527, 54977), (6539, 38061), (12687, 19617)]