15720345

素因数分解:

$3^3\times 5^1\times {\mathrm{116447}}^1$

素因数の和:116461

約数の個数: 16

約数和(自身を含む): 27947520

約数和(自身を除く): 12227175

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 116447, 349341, 582235, 1048023, 1746705, 3144069, 5240115, 15720345]

約数ペア:

[(1, 15720345), (3, 5240115), (5, 3144069), (9, 1746705), (15, 1048023), (27, 582235), (45, 349341), (135, 116447)]