3887415

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 8216208

約数和(自身を除く): 4328793

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 43, 45, 49, 63, 105, 123, 129, 147, 205, 215, 245, 287, 301, 315, 369, 387, 441, 615, 645, 735, 861, 903, 1435, 1505, 1763, 1845, 1935, 2009, 2107, 2205, 2583, 2709, 4305, 4515, 5289, 6027, 6321, 8815, 10045, 10535, 12341, 12915, 13545, 15867, 18081, 18963, 26445, 30135, 31605, 37023, 61705, 79335, 86387, 90405, 94815, 111069, 185115, 259161, 431935, 555345, 777483, 1295805, 3887415]

約数ペア:

[(1, 3887415), (3, 1295805), (5, 777483), (7, 555345), (9, 431935), (15, 259161), (21, 185115), (35, 111069), (41, 94815), (43, 90405), (45, 86387), (49, 79335), (63, 61705), (105, 37023), (123, 31605), (129, 30135), (147, 26445), (205, 18963), (215, 18081), (245, 15867), (287, 13545), (301, 12915), (315, 12341), (369, 10535), (387, 10045), (441, 8815), (615, 6321), (645, 6027), (735, 5289), (861, 4515), (903, 4305), (1435, 2709), (1505, 2583), (1763, 2205), (1845, 2107), (1935, 2009)]