1389276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 4149600

約数和(自身を除く): 2760324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 149, 222, 252, 259, 298, 333, 444, 447, 518, 596, 666, 777, 894, 1036, 1043, 1332, 1341, 1554, 1788, 2086, 2331, 2682, 3108, 3129, 4172, 4662, 5364, 5513, 6258, 9324, 9387, 11026, 12516, 16539, 18774, 22052, 33078, 37548, 38591, 49617, 66156, 77182, 99234, 115773, 154364, 198468, 231546, 347319, 463092, 694638, 1389276]

約数ペア:

[(1, 1389276), (2, 694638), (3, 463092), (4, 347319), (6, 231546), (7, 198468), (9, 154364), (12, 115773), (14, 99234), (18, 77182), (21, 66156), (28, 49617), (36, 38591), (37, 37548), (42, 33078), (63, 22052), (74, 18774), (84, 16539), (111, 12516), (126, 11026), (148, 9387), (149, 9324), (222, 6258), (252, 5513), (259, 5364), (298, 4662), (333, 4172), (444, 3129), (447, 3108), (518, 2682), (596, 2331), (666, 2086), (777, 1788), (894, 1554), (1036, 1341), (1043, 1332)]