64148865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{388781}}^1$

素因数の和:388800

約数の個数: 16

約数和(自身を含む): 111969216

約数和(自身を除く): 47820351

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 388781, 1166343, 1943905, 4276591, 5831715, 12829773, 21382955, 64148865]

約数ペア:

[(1, 64148865), (3, 21382955), (5, 12829773), (11, 5831715), (15, 4276591), (33, 1943905), (55, 1166343), (165, 388781)]