216836613

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 380808792

約数和(自身を除く): 163972179

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 97, 111, 137, 147, 259, 291, 333, 411, 441, 679, 777, 873, 959, 1233, 1813, 2037, 2331, 2877, 3589, 4753, 5069, 5439, 6111, 6713, 8631, 10767, 13289, 14259, 15207, 16317, 20139, 25123, 32301, 35483, 39867, 42777, 45621, 60417, 75369, 93023, 106449, 119601, 175861, 226107, 248381, 279069, 319347, 491693, 527583, 651161, 745143, 837207, 1475079, 1582749, 1953483, 2235429, 3441851, 4425237, 5860449, 10325553, 24092957, 30976659, 72278871, 216836613]

約数ペア:

[(1, 216836613), (3, 72278871), (7, 30976659), (9, 24092957), (21, 10325553), (37, 5860449), (49, 4425237), (63, 3441851), (97, 2235429), (111, 1953483), (137, 1582749), (147, 1475079), (259, 837207), (291, 745143), (333, 651161), (411, 527583), (441, 491693), (679, 319347), (777, 279069), (873, 248381), (959, 226107), (1233, 175861), (1813, 119601), (2037, 106449), (2331, 93023), (2877, 75369), (3589, 60417), (4753, 45621), (5069, 42777), (5439, 39867), (6111, 35483), (6713, 32301), (8631, 25123), (10767, 20139), (13289, 16317), (14259, 15207)]