165504213

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 290181528

約数和(自身を除く): 124677315

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 73, 97, 147, 159, 219, 291, 371, 441, 477, 511, 657, 679, 873, 1113, 1533, 2037, 2597, 3339, 3577, 3869, 4599, 4753, 5141, 6111, 7081, 7791, 10731, 11607, 14259, 15423, 21243, 23373, 27083, 32193, 34821, 35987, 42777, 46269, 49567, 63729, 81249, 107961, 148701, 189581, 243747, 251909, 323883, 346969, 375293, 446103, 568743, 755727, 1040907, 1125879, 1706229, 2267181, 2627051, 3122721, 3377637, 7881153, 18389357, 23643459, 55168071, 165504213]

約数ペア:

[(1, 165504213), (3, 55168071), (7, 23643459), (9, 18389357), (21, 7881153), (49, 3377637), (53, 3122721), (63, 2627051), (73, 2267181), (97, 1706229), (147, 1125879), (159, 1040907), (219, 755727), (291, 568743), (371, 446103), (441, 375293), (477, 346969), (511, 323883), (657, 251909), (679, 243747), (873, 189581), (1113, 148701), (1533, 107961), (2037, 81249), (2597, 63729), (3339, 49567), (3577, 46269), (3869, 42777), (4599, 35987), (4753, 34821), (5141, 32193), (6111, 27083), (7081, 23373), (7791, 21243), (10731, 15423), (11607, 14259)]