53661909

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19213}}^1$

素因数の和:19249

約数の個数: 24

約数和(自身を含む): 87615840

約数和(自身を除く): 33953931

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 19213, 57639, 134491, 365047, 403473, 941437, 1095141, 2555329, 2824311, 7665987, 17887303, 53661909]

約数ペア:

[(1, 53661909), (3, 17887303), (7, 7665987), (19, 2824311), (21, 2555329), (49, 1095141), (57, 941437), (133, 403473), (147, 365047), (399, 134491), (931, 57639), (2793, 19213)]