78972405

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{52127}}^1$

素因数の和:52236

約数の個数: 16

約数和(自身を含む): 127609344

約数和(自身を除く): 48636939

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 52127, 156381, 260635, 781905, 5264827, 15794481, 26324135, 78972405]

約数ペア:

[(1, 78972405), (3, 26324135), (5, 15794481), (15, 5264827), (101, 781905), (303, 260635), (505, 156381), (1515, 52127)]