989772021

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 1778837760

約数和(自身を除く): 789065739

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 71, 123, 147, 189, 213, 257, 287, 369, 441, 497, 639, 771, 861, 1107, 1323, 1491, 1799, 1917, 2009, 2313, 2583, 2911, 3479, 4473, 5397, 6027, 6939, 7749, 8733, 10437, 10537, 12593, 13419, 16191, 18081, 18247, 20377, 26199, 31311, 31611, 37779, 48573, 54243, 54741, 61131, 73759, 78597, 93933, 94833, 113337, 127729, 142639, 164223, 183393, 221277, 284499, 340011, 383187, 427917, 492669, 516313, 550179, 663831, 748127, 894103, 1149561, 1283751, 1548939, 1991493, 2244381, 2682309, 3448683, 3851253, 4646817, 5236889, 6733143, 8046927, 13940451, 15710667, 20199429, 24140781, 36658223, 47132001, 109974669, 141396003, 329924007, 989772021]

約数ペア:

[(1, 989772021), (3, 329924007), (7, 141396003), (9, 109974669), (21, 47132001), (27, 36658223), (41, 24140781), (49, 20199429), (63, 15710667), (71, 13940451), (123, 8046927), (147, 6733143), (189, 5236889), (213, 4646817), (257, 3851253), (287, 3448683), (369, 2682309), (441, 2244381), (497, 1991493), (639, 1548939), (771, 1283751), (861, 1149561), (1107, 894103), (1323, 748127), (1491, 663831), (1799, 550179), (1917, 516313), (2009, 492669), (2313, 427917), (2583, 383187), (2911, 340011), (3479, 284499), (4473, 221277), (5397, 183393), (6027, 164223), (6939, 142639), (7749, 127729), (8733, 113337), (10437, 94833), (10537, 93933), (12593, 78597), (13419, 73759), (16191, 61131), (18081, 54741), (18247, 54243), (20377, 48573), (26199, 37779), (31311, 31611)]