77121231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 50612529

約数列:

[1, 3, 11, 17, 23, 33, 43, 51, 69, 129, 139, 187, 253, 391, 417, 473, 561, 731, 759, 989, 1173, 1419, 1529, 2193, 2363, 2967, 3197, 4301, 4587, 5977, 7089, 8041, 9591, 10879, 12903, 16813, 17931, 24123, 25993, 32637, 35167, 50439, 54349, 65747, 77979, 101609, 105501, 137471, 163047, 184943, 197241, 304827, 412413, 554829, 597839, 1117699, 1512181, 1793517, 2337007, 3353097, 4536543, 7011021, 25707077, 77121231]

約数ペア:

[(1, 77121231), (3, 25707077), (11, 7011021), (17, 4536543), (23, 3353097), (33, 2337007), (43, 1793517), (51, 1512181), (69, 1117699), (129, 597839), (139, 554829), (187, 412413), (253, 304827), (391, 197241), (417, 184943), (473, 163047), (561, 137471), (731, 105501), (759, 101609), (989, 77979), (1173, 65747), (1419, 54349), (1529, 50439), (2193, 35167), (2363, 32637), (2967, 25993), (3197, 24123), (4301, 17931), (4587, 16813), (5977, 12903), (7089, 10879), (8041, 9591)]