215564985

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 381783168

約数和(自身を除く): 166218183

約数列:

[1, 3, 5, 9, 15, 45, 73, 211, 219, 311, 365, 633, 657, 933, 1055, 1095, 1555, 1899, 2799, 3165, 3285, 4665, 9495, 13995, 15403, 22703, 46209, 65621, 68109, 77015, 113515, 138627, 196863, 204327, 231045, 328105, 340545, 590589, 693135, 984315, 1021635, 2952945, 4790333, 14370999, 23951665, 43112997, 71854995, 215564985]

約数ペア:

[(1, 215564985), (3, 71854995), (5, 43112997), (9, 23951665), (15, 14370999), (45, 4790333), (73, 2952945), (211, 1021635), (219, 984315), (311, 693135), (365, 590589), (633, 340545), (657, 328105), (933, 231045), (1055, 204327), (1095, 196863), (1555, 138627), (1899, 113515), (2799, 77015), (3165, 68109), (3285, 65621), (4665, 46209), (9495, 22703), (13995, 15403)]