79881417

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 72

約数和(自身を含む): 151620000

約数和(自身を除く): 71738583

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 121, 147, 189, 231, 297, 363, 441, 499, 539, 693, 847, 1089, 1323, 1497, 1617, 2079, 2541, 3267, 3493, 4491, 4851, 5489, 5929, 7623, 10479, 13473, 14553, 16467, 17787, 22869, 24451, 31437, 38423, 49401, 53361, 60379, 73353, 94311, 115269, 148203, 160083, 181137, 220059, 268961, 345807, 422653, 543411, 660177, 806883, 1037421, 1267959, 1630233, 2420649, 2958571, 3803877, 7261947, 8875713, 11411631, 26627139, 79881417]

約数ペア:

[(1, 79881417), (3, 26627139), (7, 11411631), (9, 8875713), (11, 7261947), (21, 3803877), (27, 2958571), (33, 2420649), (49, 1630233), (63, 1267959), (77, 1037421), (99, 806883), (121, 660177), (147, 543411), (189, 422653), (231, 345807), (297, 268961), (363, 220059), (441, 181137), (499, 160083), (539, 148203), (693, 115269), (847, 94311), (1089, 73353), (1323, 60379), (1497, 53361), (1617, 49401), (2079, 38423), (2541, 31437), (3267, 24451), (3493, 22869), (4491, 17787), (4851, 16467), (5489, 14553), (5929, 13473), (7623, 10479)]