64563921

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 99380736

約数和(自身を除く): 34816815

約数列:

[1, 3, 9, 23, 69, 71, 191, 207, 213, 529, 573, 639, 1587, 1633, 1719, 4393, 4761, 4899, 13179, 13561, 14697, 37559, 39537, 40683, 101039, 112677, 122049, 303117, 311903, 338031, 909351, 935709, 2807127, 7173769, 21521307, 64563921]

約数ペア:

[(1, 64563921), (3, 21521307), (9, 7173769), (23, 2807127), (69, 935709), (71, 909351), (191, 338031), (207, 311903), (213, 303117), (529, 122049), (573, 112677), (639, 101039), (1587, 40683), (1633, 39537), (1719, 37559), (4393, 14697), (4761, 13561), (4899, 13179)]