26973255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 21687225

約数列:

[1, 3, 5, 15, 19, 31, 43, 57, 71, 93, 95, 129, 155, 213, 215, 285, 355, 465, 589, 645, 817, 1065, 1333, 1349, 1767, 2201, 2451, 2945, 3053, 3999, 4047, 4085, 6603, 6665, 6745, 8835, 9159, 11005, 12255, 15265, 19995, 20235, 25327, 33015, 41819, 45795, 58007, 75981, 94643, 125457, 126635, 174021, 209095, 283929, 290035, 379905, 473215, 627285, 870105, 1419645, 1798217, 5394651, 8991085, 26973255]

約数ペア:

[(1, 26973255), (3, 8991085), (5, 5394651), (15, 1798217), (19, 1419645), (31, 870105), (43, 627285), (57, 473215), (71, 379905), (93, 290035), (95, 283929), (129, 209095), (155, 174021), (213, 126635), (215, 125457), (285, 94643), (355, 75981), (465, 58007), (589, 45795), (645, 41819), (817, 33015), (1065, 25327), (1333, 20235), (1349, 19995), (1767, 15265), (2201, 12255), (2451, 11005), (2945, 9159), (3053, 8835), (3999, 6745), (4047, 6665), (4085, 6603)]