71822583

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 128969568

約数和(自身を除く): 57146985

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 73, 97, 147, 161, 207, 219, 291, 441, 483, 511, 657, 679, 873, 1127, 1449, 1533, 1679, 2037, 2231, 3381, 3577, 4599, 4753, 5037, 6111, 6693, 7081, 10143, 10731, 11753, 14259, 15111, 15617, 20079, 21243, 32193, 35259, 42777, 46851, 49567, 63729, 82271, 105777, 109319, 140553, 148701, 162863, 246813, 327957, 346969, 446103, 488589, 740439, 983871, 1040907, 1140041, 1465767, 3122721, 3420123, 7980287, 10260369, 23940861, 71822583]

約数ペア:

[(1, 71822583), (3, 23940861), (7, 10260369), (9, 7980287), (21, 3420123), (23, 3122721), (49, 1465767), (63, 1140041), (69, 1040907), (73, 983871), (97, 740439), (147, 488589), (161, 446103), (207, 346969), (219, 327957), (291, 246813), (441, 162863), (483, 148701), (511, 140553), (657, 109319), (679, 105777), (873, 82271), (1127, 63729), (1449, 49567), (1533, 46851), (1679, 42777), (2037, 35259), (2231, 32193), (3381, 21243), (3577, 20079), (4599, 15617), (4753, 15111), (5037, 14259), (6111, 11753), (6693, 10731), (7081, 10143)]