72173178

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 204231456

約数和(自身を除く): 132058278

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 49, 63, 66, 77, 86, 98, 99, 126, 129, 147, 154, 173, 198, 231, 258, 294, 301, 346, 387, 441, 462, 473, 519, 539, 602, 693, 774, 882, 903, 946, 1038, 1078, 1211, 1386, 1419, 1557, 1617, 1806, 1903, 2107, 2422, 2709, 2838, 3114, 3234, 3311, 3633, 3806, 4214, 4257, 4851, 5418, 5709, 6321, 6622, 7266, 7439, 8477, 8514, 9702, 9933, 10899, 11418, 12642, 13321, 14878, 16954, 17127, 18963, 19866, 21798, 22317, 23177, 25431, 26642, 29799, 34254, 37926, 39963, 44634, 46354, 50862, 52073, 59598, 66951, 69531, 76293, 79926, 81829, 93247, 104146, 119889, 133902, 139062, 152586, 156219, 163658, 186494, 208593, 239778, 245487, 279741, 312438, 364511, 417186, 468657, 490974, 559482, 572803, 729022, 736461, 839223, 937314, 1093533, 1145606, 1472922, 1678446, 1718409, 2187066, 3280599, 3436818, 4009621, 5155227, 6561198, 8019242, 10310454, 12028863, 24057726, 36086589, 72173178]

約数ペア:

[(1, 72173178), (2, 36086589), (3, 24057726), (6, 12028863), (7, 10310454), (9, 8019242), (11, 6561198), (14, 5155227), (18, 4009621), (21, 3436818), (22, 3280599), (33, 2187066), (42, 1718409), (43, 1678446), (49, 1472922), (63, 1145606), (66, 1093533), (77, 937314), (86, 839223), (98, 736461), (99, 729022), (126, 572803), (129, 559482), (147, 490974), (154, 468657), (173, 417186), (198, 364511), (231, 312438), (258, 279741), (294, 245487), (301, 239778), (346, 208593), (387, 186494), (441, 163658), (462, 156219), (473, 152586), (519, 139062), (539, 133902), (602, 119889), (693, 104146), (774, 93247), (882, 81829), (903, 79926), (946, 76293), (1038, 69531), (1078, 66951), (1211, 59598), (1386, 52073), (1419, 50862), (1557, 46354), (1617, 44634), (1806, 39963), (1903, 37926), (2107, 34254), (2422, 29799), (2709, 26642), (2838, 25431), (3114, 23177), (3234, 22317), (3311, 21798), (3633, 19866), (3806, 18963), (4214, 17127), (4257, 16954), (4851, 14878), (5418, 13321), (5709, 12642), (6321, 11418), (6622, 10899), (7266, 9933), (7439, 9702), (8477, 8514)]