12972405

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4999}}^1$

素因数の和:5180

約数の個数: 16

約数和(自身を含む): 20880000

約数和(自身を除く): 7907595

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 4999, 14997, 24995, 74985, 864827, 2594481, 4324135, 12972405]

約数ペア:

[(1, 12972405), (3, 4324135), (5, 2594481), (15, 864827), (173, 74985), (519, 24995), (865, 14997), (2595, 4999)]