81661734

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 236882880

約数和(自身を除く): 155221146

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 49, 57, 63, 66, 77, 98, 99, 114, 126, 133, 147, 154, 171, 198, 209, 231, 266, 294, 342, 399, 418, 441, 443, 462, 539, 627, 693, 798, 882, 886, 931, 1078, 1197, 1254, 1329, 1386, 1463, 1617, 1862, 1881, 2394, 2658, 2793, 2926, 3101, 3234, 3762, 3987, 4389, 4851, 4873, 5586, 6202, 7974, 8379, 8417, 8778, 9303, 9702, 9746, 10241, 13167, 14619, 16758, 16834, 18606, 20482, 21707, 25251, 26334, 27909, 29238, 30723, 34111, 43414, 43857, 50502, 55818, 58919, 61446, 65121, 68222, 75753, 87714, 92169, 92587, 102333, 117838, 130242, 151506, 176757, 184338, 185174, 195363, 204666, 238777, 277761, 306999, 353514, 390726, 412433, 477554, 530271, 555522, 613998, 648109, 716331, 824866, 833283, 1060542, 1237299, 1296218, 1432662, 1666566, 1944327, 2148993, 2474598, 3711897, 3888654, 4297986, 4536763, 5832981, 7423794, 9073526, 11665962, 13610289, 27220578, 40830867, 81661734]

約数ペア:

[(1, 81661734), (2, 40830867), (3, 27220578), (6, 13610289), (7, 11665962), (9, 9073526), (11, 7423794), (14, 5832981), (18, 4536763), (19, 4297986), (21, 3888654), (22, 3711897), (33, 2474598), (38, 2148993), (42, 1944327), (49, 1666566), (57, 1432662), (63, 1296218), (66, 1237299), (77, 1060542), (98, 833283), (99, 824866), (114, 716331), (126, 648109), (133, 613998), (147, 555522), (154, 530271), (171, 477554), (198, 412433), (209, 390726), (231, 353514), (266, 306999), (294, 277761), (342, 238777), (399, 204666), (418, 195363), (441, 185174), (443, 184338), (462, 176757), (539, 151506), (627, 130242), (693, 117838), (798, 102333), (882, 92587), (886, 92169), (931, 87714), (1078, 75753), (1197, 68222), (1254, 65121), (1329, 61446), (1386, 58919), (1463, 55818), (1617, 50502), (1862, 43857), (1881, 43414), (2394, 34111), (2658, 30723), (2793, 29238), (2926, 27909), (3101, 26334), (3234, 25251), (3762, 21707), (3987, 20482), (4389, 18606), (4851, 16834), (4873, 16758), (5586, 14619), (6202, 13167), (7974, 10241), (8379, 9746), (8417, 9702), (8778, 9303)]