217030671

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 391029408

約数和(自身を除く): 173998737

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 41, 81, 99, 117, 123, 143, 297, 351, 369, 429, 451, 457, 533, 891, 1053, 1107, 1287, 1353, 1371, 1599, 3321, 3861, 4059, 4113, 4797, 5027, 5863, 5941, 11583, 12177, 12339, 14391, 15081, 17589, 17823, 18737, 36531, 37017, 43173, 45243, 52767, 53469, 56211, 65351, 135729, 158301, 160407, 168633, 196053, 206107, 243581, 407187, 474903, 481221, 505899, 588159, 618321, 730743, 1517697, 1764477, 1854963, 2192229, 2679391, 5293431, 5564889, 6576687, 8038173, 16694667, 19730061, 24114519, 72343557, 217030671]

約数ペア:

[(1, 217030671), (3, 72343557), (9, 24114519), (11, 19730061), (13, 16694667), (27, 8038173), (33, 6576687), (39, 5564889), (41, 5293431), (81, 2679391), (99, 2192229), (117, 1854963), (123, 1764477), (143, 1517697), (297, 730743), (351, 618321), (369, 588159), (429, 505899), (451, 481221), (457, 474903), (533, 407187), (891, 243581), (1053, 206107), (1107, 196053), (1287, 168633), (1353, 160407), (1371, 158301), (1599, 135729), (3321, 65351), (3861, 56211), (4059, 53469), (4113, 52767), (4797, 45243), (5027, 43173), (5863, 37017), (5941, 36531), (11583, 18737), (12177, 17823), (12339, 17589), (14391, 15081)]