247904385

素因数分解:

$3^1\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{10601}}^1$

素因数の和:12168

約数の個数: 16

約数和(自身を含む): 396938880

約数和(自身を除く): 149034495

約数列:

[1, 3, 5, 15, 1559, 4677, 7795, 10601, 23385, 31803, 53005, 159015, 16526959, 49580877, 82634795, 247904385]

約数ペア:

[(1, 247904385), (3, 82634795), (5, 49580877), (15, 16526959), (1559, 159015), (4677, 53005), (7795, 31803), (10601, 23385)]