64240839

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^2$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 103167064

約数和(自身を除く): 38926225

約数列:

[1, 3, 9, 13, 39, 43, 113, 117, 129, 339, 387, 559, 1017, 1469, 1677, 4407, 4859, 5031, 12769, 13221, 14577, 38307, 43731, 63167, 114921, 165997, 189501, 497991, 549067, 568503, 1493973, 1647201, 4941603, 7137871, 21413613, 64240839]

約数ペア:

[(1, 64240839), (3, 21413613), (9, 7137871), (13, 4941603), (39, 1647201), (43, 1493973), (113, 568503), (117, 549067), (129, 497991), (339, 189501), (387, 165997), (559, 114921), (1017, 63167), (1469, 43731), (1677, 38307), (4407, 14577), (4859, 13221), (5031, 12769)]