42905805

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4421}}^1$

素因数の和:5076

約数の個数: 16

約数和(自身を含む): 68770944

約数和(自身を除く): 25865139

約数列:

[1, 3, 5, 15, 647, 1941, 3235, 4421, 9705, 13263, 22105, 66315, 2860387, 8581161, 14301935, 42905805]

約数ペア:

[(1, 42905805), (3, 14301935), (5, 8581161), (15, 2860387), (647, 66315), (1941, 22105), (3235, 13263), (4421, 9705)]