71311005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 136628856

約数和(自身を除く): 65317851

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 97, 153, 155, 255, 279, 291, 465, 485, 527, 765, 873, 961, 1395, 1455, 1581, 1649, 2635, 2883, 3007, 4365, 4743, 4805, 4947, 7905, 8245, 8649, 9021, 14415, 14841, 15035, 16337, 23715, 24735, 27063, 43245, 45105, 49011, 51119, 74205, 81685, 93217, 135315, 147033, 153357, 245055, 255595, 279651, 460071, 466085, 735165, 766785, 838953, 1398255, 1584689, 2300355, 4194765, 4754067, 7923445, 14262201, 23770335, 71311005]

約数ペア:

[(1, 71311005), (3, 23770335), (5, 14262201), (9, 7923445), (15, 4754067), (17, 4194765), (31, 2300355), (45, 1584689), (51, 1398255), (85, 838953), (93, 766785), (97, 735165), (153, 466085), (155, 460071), (255, 279651), (279, 255595), (291, 245055), (465, 153357), (485, 147033), (527, 135315), (765, 93217), (873, 81685), (961, 74205), (1395, 51119), (1455, 49011), (1581, 45105), (1649, 43245), (2635, 27063), (2883, 24735), (3007, 23715), (4365, 16337), (4743, 15035), (4805, 14841), (4947, 14415), (7905, 9021), (8245, 8649)]