81316281

素因数分解:

$3^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 109638144

約数和(自身を除く): 28321863

約数列:

[1, 3, 197, 223, 591, 617, 669, 1851, 43931, 121549, 131793, 137591, 364647, 412773, 27105427, 81316281]

約数ペア:

[(1, 81316281), (3, 27105427), (197, 412773), (223, 364647), (591, 137591), (617, 131793), (669, 121549), (1851, 43931)]