217321566

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 573123600

約数和(自身を除く): 355802034

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 41, 42, 49, 66, 77, 82, 98, 121, 123, 147, 149, 154, 231, 242, 246, 287, 294, 298, 363, 447, 451, 462, 539, 574, 726, 847, 861, 894, 902, 1043, 1078, 1353, 1617, 1639, 1694, 1722, 2009, 2086, 2541, 2706, 3129, 3157, 3234, 3278, 4018, 4917, 4961, 5082, 5929, 6027, 6109, 6258, 6314, 7301, 9471, 9834, 9922, 11473, 11858, 12054, 12218, 14602, 14883, 17787, 18029, 18327, 18942, 21903, 22099, 22946, 29766, 34419, 34727, 35574, 36058, 36654, 42763, 43806, 44198, 54087, 66297, 67199, 68838, 69454, 80311, 85526, 104181, 108174, 126203, 128289, 132594, 134398, 160622, 201597, 208362, 240933, 243089, 252406, 256578, 299341, 378609, 403194, 470393, 481866, 486178, 598682, 729267, 739189, 757218, 883421, 898023, 940786, 1411179, 1458534, 1478378, 1766842, 1796046, 2217567, 2650263, 2822358, 3292751, 4435134, 5174323, 5300526, 6585502, 9878253, 10348646, 15522969, 19756506, 31045938, 36220261, 72440522, 108660783, 217321566]

約数ペア:

[(1, 217321566), (2, 108660783), (3, 72440522), (6, 36220261), (7, 31045938), (11, 19756506), (14, 15522969), (21, 10348646), (22, 9878253), (33, 6585502), (41, 5300526), (42, 5174323), (49, 4435134), (66, 3292751), (77, 2822358), (82, 2650263), (98, 2217567), (121, 1796046), (123, 1766842), (147, 1478378), (149, 1458534), (154, 1411179), (231, 940786), (242, 898023), (246, 883421), (287, 757218), (294, 739189), (298, 729267), (363, 598682), (447, 486178), (451, 481866), (462, 470393), (539, 403194), (574, 378609), (726, 299341), (847, 256578), (861, 252406), (894, 243089), (902, 240933), (1043, 208362), (1078, 201597), (1353, 160622), (1617, 134398), (1639, 132594), (1694, 128289), (1722, 126203), (2009, 108174), (2086, 104181), (2541, 85526), (2706, 80311), (3129, 69454), (3157, 68838), (3234, 67199), (3278, 66297), (4018, 54087), (4917, 44198), (4961, 43806), (5082, 42763), (5929, 36654), (6027, 36058), (6109, 35574), (6258, 34727), (6314, 34419), (7301, 29766), (9471, 22946), (9834, 22099), (9922, 21903), (11473, 18942), (11858, 18327), (12054, 18029), (12218, 17787), (14602, 14883)]