31356285

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 51978240

約数和(自身を除く): 20621955

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 563, 705, 1185, 1689, 2815, 3713, 8445, 11139, 18565, 26461, 44477, 55695, 79383, 132305, 133431, 222385, 396915, 667155, 2090419, 6271257, 10452095, 31356285]

約数ペア:

[(1, 31356285), (3, 10452095), (5, 6271257), (15, 2090419), (47, 667155), (79, 396915), (141, 222385), (235, 133431), (237, 132305), (395, 79383), (563, 55695), (705, 44477), (1185, 26461), (1689, 18565), (2815, 11139), (3713, 8445)]