51414867

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 93259296

約数和(自身を除く): 41844429

約数列:

[1, 3, 7, 9, 21, 23, 37, 49, 63, 69, 111, 137, 147, 161, 207, 259, 333, 411, 441, 483, 777, 851, 959, 1127, 1233, 1449, 1813, 2331, 2553, 2877, 3151, 3381, 5069, 5439, 5957, 6713, 7659, 8631, 9453, 10143, 15207, 16317, 17871, 20139, 22057, 28359, 35483, 41699, 45621, 53613, 60417, 66171, 106449, 116587, 125097, 154399, 198513, 248381, 319347, 349761, 375291, 463197, 745143, 816109, 1049283, 1389591, 2235429, 2448327, 5712763, 7344981, 17138289, 51414867]

約数ペア:

[(1, 51414867), (3, 17138289), (7, 7344981), (9, 5712763), (21, 2448327), (23, 2235429), (37, 1389591), (49, 1049283), (63, 816109), (69, 745143), (111, 463197), (137, 375291), (147, 349761), (161, 319347), (207, 248381), (259, 198513), (333, 154399), (411, 125097), (441, 116587), (483, 106449), (777, 66171), (851, 60417), (959, 53613), (1127, 45621), (1233, 41699), (1449, 35483), (1813, 28359), (2331, 22057), (2553, 20139), (2877, 17871), (3151, 16317), (3381, 15207), (5069, 10143), (5439, 9453), (5957, 8631), (6713, 7659)]