284490.0000000

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 9405760

約数和(自身を除く): 4284553

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 169, 259, 273, 333, 481, 507, 777, 819, 1183, 1443, 1521, 2197, 2331, 3367, 3549, 4329, 6253, 6591, 10101, 10647, 15379, 18759, 19773, 30303, 43771, 46137, 56277, 81289, 131313, 138411, 243867, 393939, 569023, 731601, 1707069, 5121207]

約数ペア:

[(1, 5121207), (3, 1707069), (7, 731601), (9, 569023), (13, 393939), (21, 243867), (37, 138411), (39, 131313), (63, 81289), (91, 56277), (111, 46137), (117, 43771), (169, 30303), (259, 19773), (273, 18759), (333, 15379), (481, 10647), (507, 10101), (777, 6591), (819, 6253), (1183, 4329), (1443, 3549), (1521, 3367), (2197, 2331)]