17956393

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4061

約数の個数: 16

約数和(自身を含む): 22556800

約数和(自身を除く): 4600407

約数列:

[1, 7, 13, 49, 91, 343, 637, 4027, 4459, 28189, 52351, 197323, 366457, 1381261, 2565199, 17956393]

約数ペア:

[(1, 17956393), (7, 2565199), (13, 1381261), (49, 366457), (91, 197323), (343, 52351), (637, 28189), (4027, 4459)]