53952381

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 98167680

約数和(自身を除く): 44215299

約数列:

[1, 3, 7, 9, 19, 21, 47, 49, 57, 63, 133, 137, 141, 147, 171, 329, 399, 411, 423, 441, 893, 931, 959, 987, 1197, 1233, 2303, 2603, 2679, 2793, 2877, 2961, 6251, 6439, 6713, 6909, 7809, 8037, 8379, 8631, 18221, 18753, 19317, 20139, 20727, 23427, 43757, 45073, 54663, 56259, 57951, 60417, 122341, 127547, 131271, 135219, 163989, 315511, 367023, 382641, 393813, 405657, 856387, 946533, 1101069, 1147923, 2569161, 2839599, 5994709, 7707483, 17984127, 53952381]

約数ペア:

[(1, 53952381), (3, 17984127), (7, 7707483), (9, 5994709), (19, 2839599), (21, 2569161), (47, 1147923), (49, 1101069), (57, 946533), (63, 856387), (133, 405657), (137, 393813), (141, 382641), (147, 367023), (171, 315511), (329, 163989), (399, 135219), (411, 131271), (423, 127547), (441, 122341), (893, 60417), (931, 57951), (959, 56259), (987, 54663), (1197, 45073), (1233, 43757), (2303, 23427), (2603, 20727), (2679, 20139), (2793, 19317), (2877, 18753), (2961, 18221), (6251, 8631), (6439, 8379), (6713, 8037), (6909, 7809)]