127918521

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 197588160

約数和(自身を除く): 69669639

約数列:

[1, 3, 9, 27, 53, 81, 83, 159, 249, 359, 477, 747, 1077, 1431, 2241, 3231, 4293, 4399, 6723, 9693, 13197, 19027, 29079, 29797, 39591, 57081, 89391, 118773, 171243, 268173, 356319, 513729, 804519, 1541187, 1579241, 2413557, 4737723, 14213169, 42639507, 127918521]

約数ペア:

[(1, 127918521), (3, 42639507), (9, 14213169), (27, 4737723), (53, 2413557), (81, 1579241), (83, 1541187), (159, 804519), (249, 513729), (359, 356319), (477, 268173), (747, 171243), (1077, 118773), (1431, 89391), (2241, 57081), (3231, 39591), (4293, 29797), (4399, 29079), (6723, 19027), (9693, 13197)]