15689961

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 27316224

約数和(自身を除く): 11626263

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 111, 127, 159, 259, 333, 371, 381, 477, 777, 889, 1113, 1143, 1961, 2331, 2667, 3339, 4699, 5883, 6731, 8001, 13727, 14097, 17649, 20193, 32893, 41181, 42291, 47117, 60579, 98679, 123543, 141351, 249047, 296037, 424053, 747141, 1743329, 2241423, 5229987, 15689961]

約数ペア:

[(1, 15689961), (3, 5229987), (7, 2241423), (9, 1743329), (21, 747141), (37, 424053), (53, 296037), (63, 249047), (111, 141351), (127, 123543), (159, 98679), (259, 60579), (333, 47117), (371, 42291), (381, 41181), (477, 32893), (777, 20193), (889, 17649), (1113, 14097), (1143, 13727), (1961, 8001), (2331, 6731), (2667, 5883), (3339, 4699)]