80288739

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 128066400

約数和(自身を除く): 47777661

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 199, 293, 459, 597, 879, 1377, 1791, 2637, 3383, 4981, 5373, 7911, 10149, 14943, 16119, 23733, 30447, 44829, 58307, 91341, 134487, 174921, 274023, 403461, 524763, 991219, 1574289, 2973657, 4722867, 8920971, 26762913, 80288739]

約数ペア:

[(1, 80288739), (3, 26762913), (9, 8920971), (17, 4722867), (27, 2973657), (51, 1574289), (81, 991219), (153, 524763), (199, 403461), (293, 274023), (459, 174921), (597, 134487), (879, 91341), (1377, 58307), (1791, 44829), (2637, 30447), (3383, 23733), (4981, 16119), (5373, 14943), (7911, 10149)]