64821393

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79147}}^1$

素因数の和:79173

約数の個数: 24

約数和(自身を含む): 115239488

約数和(自身を除く): 50418095

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 79147, 237441, 554029, 712323, 1028911, 1662087, 3086733, 4986261, 7202377, 9260199, 21607131, 64821393]

約数ペア:

[(1, 64821393), (3, 21607131), (7, 9260199), (9, 7202377), (13, 4986261), (21, 3086733), (39, 1662087), (63, 1028911), (91, 712323), (117, 554029), (273, 237441), (819, 79147)]