2017669815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{19469}}^1$

素因数の和:19541

約数の個数: 72

約数和(自身を含む): 4155053760

約数和(自身を除く): 2137383945

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 49, 63, 105, 141, 147, 235, 245, 315, 329, 423, 441, 705, 735, 987, 1645, 2115, 2205, 2303, 2961, 4935, 6909, 11515, 14805, 19469, 20727, 34545, 58407, 97345, 103635, 136283, 175221, 292035, 408849, 681415, 876105, 915043, 953981, 1226547, 2044245, 2745129, 2861943, 4575215, 4769905, 6132735, 6405301, 8235387, 8585829, 13725645, 14309715, 19215903, 32026505, 41176935, 42929145, 44837107, 57647709, 96079515, 134511321, 224185535, 288238545, 403533963, 672556605, 2017669815]

約数ペア:

[(1, 2017669815), (3, 672556605), (5, 403533963), (7, 288238545), (9, 224185535), (15, 134511321), (21, 96079515), (35, 57647709), (45, 44837107), (47, 42929145), (49, 41176935), (63, 32026505), (105, 19215903), (141, 14309715), (147, 13725645), (235, 8585829), (245, 8235387), (315, 6405301), (329, 6132735), (423, 4769905), (441, 4575215), (705, 2861943), (735, 2745129), (987, 2044245), (1645, 1226547), (2115, 953981), (2205, 915043), (2303, 876105), (2961, 681415), (4935, 408849), (6909, 292035), (11515, 175221), (14805, 136283), (19469, 103635), (20727, 97345), (34545, 58407)]