51679551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 91570176

約数和(自身を除く): 39890625

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 71, 77, 137, 161, 213, 231, 253, 411, 483, 497, 759, 781, 959, 1491, 1507, 1633, 1771, 2343, 2877, 3151, 4521, 4899, 5313, 5467, 9453, 9727, 10549, 11431, 16401, 17963, 22057, 29181, 31647, 34293, 34661, 53889, 66171, 68089, 103983, 106997, 125741, 204267, 223721, 242627, 320991, 377223, 671163, 727881, 748979, 1566047, 2246937, 2460931, 4698141, 7382793, 17226517, 51679551]

約数ペア:

[(1, 51679551), (3, 17226517), (7, 7382793), (11, 4698141), (21, 2460931), (23, 2246937), (33, 1566047), (69, 748979), (71, 727881), (77, 671163), (137, 377223), (161, 320991), (213, 242627), (231, 223721), (253, 204267), (411, 125741), (483, 106997), (497, 103983), (759, 68089), (781, 66171), (959, 53889), (1491, 34661), (1507, 34293), (1633, 31647), (1771, 29181), (2343, 22057), (2877, 17963), (3151, 16401), (4521, 11431), (4899, 10549), (5313, 9727), (5467, 9453)]