27951105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20477}}^1$

素因数の和:20505

約数の個数: 32

約数和(自身を含む): 55044864

約数和(自身を除く): 27093759

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20477, 61431, 102385, 143339, 266201, 307155, 430017, 716695, 798603, 1331005, 1863407, 2150085, 3993015, 5590221, 9317035, 27951105]

約数ペア:

[(1, 27951105), (3, 9317035), (5, 5590221), (7, 3993015), (13, 2150085), (15, 1863407), (21, 1331005), (35, 798603), (39, 716695), (65, 430017), (91, 307155), (105, 266201), (195, 143339), (273, 102385), (455, 61431), (1365, 20477)]