78877887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 117642240

約数和(自身を除く): 38764353

約数列:

[1, 3, 11, 33, 73, 137, 219, 239, 411, 717, 803, 1507, 2409, 2629, 4521, 7887, 10001, 17447, 30003, 32743, 52341, 98229, 110011, 191917, 330033, 360173, 575751, 1080519, 2390239, 7170717, 26292629, 78877887]

約数ペア:

[(1, 78877887), (3, 26292629), (11, 7170717), (33, 2390239), (73, 1080519), (137, 575751), (219, 360173), (239, 330033), (411, 191917), (717, 110011), (803, 98229), (1507, 52341), (2409, 32743), (2629, 30003), (4521, 17447), (7887, 10001)]