31664997

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 60208512

約数和(自身を除く): 28543515

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 41, 63, 69, 91, 117, 123, 161, 207, 273, 287, 299, 369, 483, 533, 819, 861, 897, 943, 1449, 1599, 1681, 2093, 2583, 2691, 2829, 3731, 4797, 5043, 6279, 6601, 8487, 11193, 11767, 12259, 15129, 18837, 19803, 21853, 33579, 35301, 36777, 38663, 59409, 65559, 85813, 105903, 110331, 115989, 152971, 196677, 257439, 270641, 347967, 458913, 502619, 772317, 811923, 1376739, 1507857, 2435769, 3518333, 4523571, 10554999, 31664997]

約数ペア:

[(1, 31664997), (3, 10554999), (7, 4523571), (9, 3518333), (13, 2435769), (21, 1507857), (23, 1376739), (39, 811923), (41, 772317), (63, 502619), (69, 458913), (91, 347967), (117, 270641), (123, 257439), (161, 196677), (207, 152971), (273, 115989), (287, 110331), (299, 105903), (369, 85813), (483, 65559), (533, 59409), (819, 38663), (861, 36777), (897, 35301), (943, 33579), (1449, 21853), (1599, 19803), (1681, 18837), (2093, 15129), (2583, 12259), (2691, 11767), (2829, 11193), (3731, 8487), (4797, 6601), (5043, 6279)]