181117818

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 483635880

約数和(自身を除く): 302518062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 73, 87, 97, 98, 126, 146, 147, 174, 194, 203, 219, 261, 291, 294, 406, 438, 441, 511, 522, 582, 609, 657, 679, 873, 882, 1022, 1218, 1314, 1358, 1421, 1533, 1746, 1827, 2037, 2117, 2813, 2842, 3066, 3577, 3654, 4074, 4234, 4263, 4599, 4753, 5626, 6111, 6351, 7081, 7154, 8439, 8526, 9198, 9506, 10731, 12222, 12702, 12789, 14162, 14259, 14819, 16878, 19053, 19691, 21243, 21462, 25317, 25578, 28518, 29638, 32193, 38106, 39382, 42486, 42777, 44457, 49567, 50634, 59073, 63729, 64386, 85554, 88914, 99134, 103733, 118146, 127458, 133371, 137837, 148701, 177219, 205349, 207466, 266742, 275674, 297402, 311199, 346969, 354438, 410698, 413511, 446103, 616047, 622398, 693938, 827022, 892206, 933597, 1040907, 1232094, 1240533, 1437443, 1848141, 1867194, 2081814, 2481066, 2874886, 3122721, 3696282, 4312329, 6245442, 8624658, 10062101, 12936987, 20124202, 25873974, 30186303, 60372606, 90558909, 181117818]

約数ペア:

[(1, 181117818), (2, 90558909), (3, 60372606), (6, 30186303), (7, 25873974), (9, 20124202), (14, 12936987), (18, 10062101), (21, 8624658), (29, 6245442), (42, 4312329), (49, 3696282), (58, 3122721), (63, 2874886), (73, 2481066), (87, 2081814), (97, 1867194), (98, 1848141), (126, 1437443), (146, 1240533), (147, 1232094), (174, 1040907), (194, 933597), (203, 892206), (219, 827022), (261, 693938), (291, 622398), (294, 616047), (406, 446103), (438, 413511), (441, 410698), (511, 354438), (522, 346969), (582, 311199), (609, 297402), (657, 275674), (679, 266742), (873, 207466), (882, 205349), (1022, 177219), (1218, 148701), (1314, 137837), (1358, 133371), (1421, 127458), (1533, 118146), (1746, 103733), (1827, 99134), (2037, 88914), (2117, 85554), (2813, 64386), (2842, 63729), (3066, 59073), (3577, 50634), (3654, 49567), (4074, 44457), (4234, 42777), (4263, 42486), (4599, 39382), (4753, 38106), (5626, 32193), (6111, 29638), (6351, 28518), (7081, 25578), (7154, 25317), (8439, 21462), (8526, 21243), (9198, 19691), (9506, 19053), (10731, 16878), (12222, 14819), (12702, 14259), (12789, 14162)]