26380263

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 43932672

約数和(自身を除く): 17552409

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1361, 1491, 2769, 4083, 6461, 9527, 17693, 19383, 28581, 53079, 96631, 123851, 289893, 371553, 676417, 1256203, 2029251, 3768609, 8793421, 26380263]

約数ペア:

[(1, 26380263), (3, 8793421), (7, 3768609), (13, 2029251), (21, 1256203), (39, 676417), (71, 371553), (91, 289893), (213, 123851), (273, 96631), (497, 53079), (923, 28581), (1361, 19383), (1491, 17693), (2769, 9527), (4083, 6461)]