255322977

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 459954432

約数和(自身を除く): 204631455

約数列:

[1, 3, 7, 13, 21, 23, 37, 39, 49, 69, 91, 111, 147, 157, 161, 259, 273, 299, 471, 481, 483, 637, 777, 851, 897, 1099, 1127, 1443, 1813, 1911, 2041, 2093, 2553, 3297, 3367, 3381, 3611, 5439, 5809, 5957, 6123, 6279, 7693, 10101, 10833, 11063, 14287, 14651, 17427, 17871, 23079, 23569, 25277, 33189, 40663, 41699, 42861, 43953, 46943, 70707, 75517, 75831, 77441, 100009, 121989, 125097, 133607, 140829, 176939, 226551, 232323, 284641, 300027, 328601, 400821, 528619, 530817, 542087, 853923, 935249, 985803, 1585857, 1626261, 1736891, 2300207, 2805747, 3700333, 5210673, 6546743, 6900621, 11100999, 12158237, 19640229, 36474711, 85107659, 255322977]

約数ペア:

[(1, 255322977), (3, 85107659), (7, 36474711), (13, 19640229), (21, 12158237), (23, 11100999), (37, 6900621), (39, 6546743), (49, 5210673), (69, 3700333), (91, 2805747), (111, 2300207), (147, 1736891), (157, 1626261), (161, 1585857), (259, 985803), (273, 935249), (299, 853923), (471, 542087), (481, 530817), (483, 528619), (637, 400821), (777, 328601), (851, 300027), (897, 284641), (1099, 232323), (1127, 226551), (1443, 176939), (1813, 140829), (1911, 133607), (2041, 125097), (2093, 121989), (2553, 100009), (3297, 77441), (3367, 75831), (3381, 75517), (3611, 70707), (5439, 46943), (5809, 43953), (5957, 42861), (6123, 41699), (6279, 40663), (7693, 33189), (10101, 25277), (10833, 23569), (11063, 23079), (14287, 17871), (14651, 17427)]