297131745

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{638993}}^1$

素因数の和:639032

約数の個数: 16

約数和(自身を含む): 490747392

約数和(自身を除く): 193615647

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 638993, 1916979, 3194965, 9584895, 19808783, 59426349, 99043915, 297131745]

約数ペア:

[(1, 297131745), (3, 99043915), (5, 59426349), (15, 19808783), (31, 9584895), (93, 3194965), (155, 1916979), (465, 638993)]