26379339

素因数分解:

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

素因数の和:407

約数の個数: 32

約数和(自身を含む): 41631744

約数和(自身を除く): 15252405

約数列:

[1, 3, 7, 21, 43, 129, 131, 223, 301, 393, 669, 903, 917, 1561, 2751, 4683, 5633, 9589, 16899, 28767, 29213, 39431, 67123, 87639, 118293, 201369, 204491, 613473, 1256159, 3768477, 8793113, 26379339]

約数ペア:

[(1, 26379339), (3, 8793113), (7, 3768477), (21, 1256159), (43, 613473), (129, 204491), (131, 201369), (223, 118293), (301, 87639), (393, 67123), (669, 39431), (903, 29213), (917, 28767), (1561, 16899), (2751, 9589), (4683, 5633)]