15748551

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 29628144

約数和(自身を除く): 13879593

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 67, 91, 117, 123, 147, 201, 273, 287, 369, 441, 469, 533, 603, 637, 819, 861, 871, 1407, 1599, 1911, 2009, 2583, 2613, 2747, 3283, 3731, 4221, 4797, 5733, 6027, 6097, 7839, 8241, 9849, 11193, 18081, 18291, 19229, 24723, 26117, 29547, 33579, 35711, 42679, 54873, 57687, 78351, 107133, 128037, 134603, 173061, 235053, 249977, 321399, 384111, 403809, 749931, 1211427, 1749839, 2249793, 5249517, 15748551]

約数ペア:

[(1, 15748551), (3, 5249517), (7, 2249793), (9, 1749839), (13, 1211427), (21, 749931), (39, 403809), (41, 384111), (49, 321399), (63, 249977), (67, 235053), (91, 173061), (117, 134603), (123, 128037), (147, 107133), (201, 78351), (273, 57687), (287, 54873), (369, 42679), (441, 35711), (469, 33579), (533, 29547), (603, 26117), (637, 24723), (819, 19229), (861, 18291), (871, 18081), (1407, 11193), (1599, 9849), (1911, 8241), (2009, 7839), (2583, 6097), (2613, 6027), (2747, 5733), (3283, 4797), (3731, 4221)]