13340299

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 17280000

約数和(自身を除く): 3939701

約数列:

[1, 7, 19, 23, 49, 89, 133, 161, 343, 437, 623, 931, 1127, 1691, 2047, 3059, 4361, 6517, 7889, 11837, 14329, 21413, 30527, 38893, 82859, 100303, 149891, 272251, 580013, 702121, 1905757, 13340299]

約数ペア:

[(1, 13340299), (7, 1905757), (19, 702121), (23, 580013), (49, 272251), (89, 149891), (133, 100303), (161, 82859), (343, 38893), (437, 30527), (623, 21413), (931, 14329), (1127, 11837), (1691, 7889), (2047, 6517), (3059, 4361)]