31381386

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{71647}}^1$

素因数の和:71725

約数の個数: 16

約数和(自身を含む): 63623424

約数和(自身を除く): 32242038

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 71647, 143294, 214941, 429882, 5230231, 10460462, 15690693, 31381386]

約数ペア:

[(1, 31381386), (2, 15690693), (3, 10460462), (6, 5230231), (73, 429882), (146, 214941), (219, 143294), (438, 71647)]