156940497

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 282640512

約数和(自身を除く): 125700015

約数列:

[1, 3, 7, 9, 21, 27, 41, 43, 63, 81, 123, 129, 157, 189, 287, 301, 369, 387, 471, 567, 861, 903, 1099, 1107, 1161, 1413, 1763, 2583, 2709, 3297, 3321, 3483, 4239, 5289, 6437, 6751, 7749, 8127, 9891, 12341, 12717, 15867, 19311, 20253, 23247, 24381, 29673, 37023, 45059, 47257, 47601, 57933, 60759, 89019, 111069, 135177, 141771, 142803, 173799, 182277, 276791, 333207, 405531, 425313, 521397, 546831, 830373, 999621, 1216593, 1275939, 1937537, 2491119, 3649779, 3827817, 5812611, 7473357, 17437833, 22420071, 52313499, 156940497]

約数ペア:

[(1, 156940497), (3, 52313499), (7, 22420071), (9, 17437833), (21, 7473357), (27, 5812611), (41, 3827817), (43, 3649779), (63, 2491119), (81, 1937537), (123, 1275939), (129, 1216593), (157, 999621), (189, 830373), (287, 546831), (301, 521397), (369, 425313), (387, 405531), (471, 333207), (567, 276791), (861, 182277), (903, 173799), (1099, 142803), (1107, 141771), (1161, 135177), (1413, 111069), (1763, 89019), (2583, 60759), (2709, 57933), (3297, 47601), (3321, 47257), (3483, 45059), (4239, 37023), (5289, 29673), (6437, 24381), (6751, 23247), (7749, 20253), (8127, 19311), (9891, 15867), (12341, 12717)]