128977173

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6763}}^1$

素因数の和:6945

約数の個数: 24

約数和(自身を含む): 201891872

約数和(自身を除く): 72914699

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1467, 2119, 6357, 6763, 19071, 20289, 60867, 87919, 263757, 791271, 1102369, 3307107, 9921321, 14330797, 42992391, 128977173]

約数ペア:

[(1, 128977173), (3, 42992391), (9, 14330797), (13, 9921321), (39, 3307107), (117, 1102369), (163, 791271), (489, 263757), (1467, 87919), (2119, 60867), (6357, 20289), (6763, 19071)]