79138017

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 135303168

約数和(自身を除く): 56165151

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 131, 223, 301, 387, 393, 669, 903, 917, 1179, 1561, 2007, 2709, 2751, 4683, 5633, 8253, 9589, 14049, 16899, 28767, 29213, 39431, 50697, 67123, 86301, 87639, 118293, 201369, 204491, 262917, 354879, 604107, 613473, 1256159, 1840419, 3768477, 8793113, 11305431, 26379339, 79138017]

約数ペア:

[(1, 79138017), (3, 26379339), (7, 11305431), (9, 8793113), (21, 3768477), (43, 1840419), (63, 1256159), (129, 613473), (131, 604107), (223, 354879), (301, 262917), (387, 204491), (393, 201369), (669, 118293), (903, 87639), (917, 86301), (1179, 67123), (1561, 50697), (2007, 39431), (2709, 29213), (2751, 28767), (4683, 16899), (5633, 14049), (8253, 9589)]