388779741

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3779}}^1$

素因数の和:3886

約数の個数: 48

約数和(自身を含む): 679311360

約数和(自身を除く): 290531619

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 1449, 1491, 1633, 3779, 4473, 4899, 11337, 11431, 14697, 26453, 34011, 34293, 79359, 86917, 102879, 238077, 260751, 268309, 608419, 782253, 804927, 1825257, 1878163, 2414781, 5475771, 5634489, 6171107, 16903467, 18513321, 43197749, 55539963, 129593247, 388779741]

約数ペア:

[(1, 388779741), (3, 129593247), (7, 55539963), (9, 43197749), (21, 18513321), (23, 16903467), (63, 6171107), (69, 5634489), (71, 5475771), (161, 2414781), (207, 1878163), (213, 1825257), (483, 804927), (497, 782253), (639, 608419), (1449, 268309), (1491, 260751), (1633, 238077), (3779, 102879), (4473, 86917), (4899, 79359), (11337, 34293), (11431, 34011), (14697, 26453)]