205387815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31333}}^1$

素因数の和:31383

約数の個数: 32

約数和(自身を含む): 360967680

約数和(自身を除く): 155579865

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 6555, 31333, 93999, 156665, 469995, 595327, 720659, 1785981, 2161977, 2976635, 3603295, 8929905, 10809885, 13692521, 41077563, 68462605, 205387815]

約数ペア:

[(1, 205387815), (3, 68462605), (5, 41077563), (15, 13692521), (19, 10809885), (23, 8929905), (57, 3603295), (69, 2976635), (95, 2161977), (115, 1785981), (285, 720659), (345, 595327), (437, 469995), (1311, 156665), (2185, 93999), (6555, 31333)]