64840845

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{52081}}^1$

素因数の和:52172

約数の個数: 16

約数和(自身を含む): 104997312

約数和(自身を除く): 40156467

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 52081, 156243, 260405, 781215, 4322723, 12968169, 21613615, 64840845]

約数ペア:

[(1, 64840845), (3, 21613615), (5, 12968169), (15, 4322723), (83, 781215), (249, 260405), (415, 156243), (1245, 52081)]