71284311

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 123349824

約数和(自身を除く): 52065513

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 111, 159, 259, 333, 371, 477, 577, 777, 1113, 1731, 1961, 2331, 3339, 4039, 5193, 5883, 12117, 13727, 17649, 21349, 30581, 36351, 41181, 64047, 91743, 123543, 149443, 192141, 214067, 275229, 448329, 642201, 1131497, 1344987, 1926603, 3394491, 7920479, 10183473, 23761437, 71284311]

約数ペア:

[(1, 71284311), (3, 23761437), (7, 10183473), (9, 7920479), (21, 3394491), (37, 1926603), (53, 1344987), (63, 1131497), (111, 642201), (159, 448329), (259, 275229), (333, 214067), (371, 192141), (477, 149443), (577, 123543), (777, 91743), (1113, 64047), (1731, 41181), (1961, 36351), (2331, 30581), (3339, 21349), (4039, 17649), (5193, 13727), (5883, 12117)]