64243287

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{5323}}^1$

素因数の和:5484

約数の個数: 20

約数和(自身を含む): 96630600

約数和(自身を除く): 32387313

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 5323, 12069, 15969, 47907, 143721, 431163, 793127, 2379381, 7138143, 21414429, 64243287]

約数ペア:

[(1, 64243287), (3, 21414429), (9, 7138143), (27, 2379381), (81, 793127), (149, 431163), (447, 143721), (1341, 47907), (4023, 15969), (5323, 12069)]