38280879

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 69701632

約数和(自身を除く): 31420753

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1087, 1677, 2709, 3261, 3913, 5031, 7609, 9783, 11739, 14131, 22827, 35217, 42393, 46741, 68481, 98917, 127179, 140223, 296751, 327187, 420669, 607633, 890253, 981561, 1822899, 2944683, 4253431, 5468697, 12760293, 38280879]

約数ペア:

[(1, 38280879), (3, 12760293), (7, 5468697), (9, 4253431), (13, 2944683), (21, 1822899), (39, 981561), (43, 890253), (63, 607633), (91, 420669), (117, 327187), (129, 296751), (273, 140223), (301, 127179), (387, 98917), (559, 68481), (819, 46741), (903, 42393), (1087, 35217), (1677, 22827), (2709, 14131), (3261, 11739), (3913, 9783), (5031, 7609)]