42857655

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 75644928

約数和(自身を除く): 32787273

約数列:

[1, 3, 5, 15, 31, 37, 47, 53, 93, 111, 141, 155, 159, 185, 235, 265, 465, 555, 705, 795, 1147, 1457, 1643, 1739, 1961, 2491, 3441, 4371, 4929, 5217, 5735, 5883, 7285, 7473, 8215, 8695, 9805, 12455, 17205, 21855, 24645, 26085, 29415, 37365, 53909, 60791, 77221, 92167, 161727, 182373, 231663, 269545, 276501, 303955, 386105, 460835, 808635, 911865, 1158315, 1382505, 2857177, 8571531, 14285885, 42857655]

約数ペア:

[(1, 42857655), (3, 14285885), (5, 8571531), (15, 2857177), (31, 1382505), (37, 1158315), (47, 911865), (53, 808635), (93, 460835), (111, 386105), (141, 303955), (155, 276501), (159, 269545), (185, 231663), (235, 182373), (265, 161727), (465, 92167), (555, 77221), (705, 60791), (795, 53909), (1147, 37365), (1457, 29415), (1643, 26085), (1739, 24645), (1961, 21855), (2491, 17205), (3441, 12455), (4371, 9805), (4929, 8695), (5217, 8215), (5735, 7473), (5883, 7285)]