38914785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 90440064

約数和(自身を除く): 51525279

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 43, 45, 51, 63, 65, 85, 91, 105, 117, 119, 129, 153, 169, 195, 215, 221, 255, 273, 301, 315, 357, 387, 455, 507, 559, 585, 595, 645, 663, 731, 765, 819, 845, 903, 1071, 1105, 1183, 1365, 1505, 1521, 1547, 1677, 1785, 1935, 1989, 2193, 2535, 2709, 2795, 2873, 3315, 3549, 3655, 3913, 4095, 4515, 4641, 5031, 5117, 5355, 5915, 6579, 7267, 7605, 7735, 8385, 8619, 9503, 9945, 10647, 10965, 11739, 13545, 13923, 14365, 15351, 17745, 19565, 20111, 21801, 23205, 25155, 25585, 25857, 28509, 32895, 35217, 36335, 43095, 46053, 47515, 50869, 53235, 58695, 60333, 65403, 66521, 69615, 76755, 85527, 100555, 109005, 123539, 129285, 142545, 152607, 176085, 180999, 199563, 230265, 254345, 301665, 327015, 332605, 370617, 427635, 457821, 598689, 617695, 763035, 864773, 904995, 997815, 1111851, 1853085, 2289105, 2594319, 2993445, 4323865, 5559255, 7782957, 12971595, 38914785]

約数ペア:

[(1, 38914785), (3, 12971595), (5, 7782957), (7, 5559255), (9, 4323865), (13, 2993445), (15, 2594319), (17, 2289105), (21, 1853085), (35, 1111851), (39, 997815), (43, 904995), (45, 864773), (51, 763035), (63, 617695), (65, 598689), (85, 457821), (91, 427635), (105, 370617), (117, 332605), (119, 327015), (129, 301665), (153, 254345), (169, 230265), (195, 199563), (215, 180999), (221, 176085), (255, 152607), (273, 142545), (301, 129285), (315, 123539), (357, 109005), (387, 100555), (455, 85527), (507, 76755), (559, 69615), (585, 66521), (595, 65403), (645, 60333), (663, 58695), (731, 53235), (765, 50869), (819, 47515), (845, 46053), (903, 43095), (1071, 36335), (1105, 35217), (1183, 32895), (1365, 28509), (1505, 25857), (1521, 25585), (1547, 25155), (1677, 23205), (1785, 21801), (1935, 20111), (1989, 19565), (2193, 17745), (2535, 15351), (2709, 14365), (2795, 13923), (2873, 13545), (3315, 11739), (3549, 10965), (3655, 10647), (3913, 9945), (4095, 9503), (4515, 8619), (4641, 8385), (5031, 7735), (5117, 7605), (5355, 7267), (5915, 6579)]