561288771

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:785

約数の個数: 40

約数和(自身を含む): 857870640

約数和(自身を除く): 296581869

約数列:

[1, 3, 9, 27, 59, 81, 177, 257, 457, 531, 771, 1371, 1593, 2313, 4113, 4779, 6939, 12339, 15163, 20817, 26963, 37017, 45489, 80889, 117449, 136467, 242667, 352347, 409401, 728001, 1057041, 1228203, 2184003, 3171123, 6929491, 9513369, 20788473, 62365419, 187096257, 561288771]

約数ペア:

[(1, 561288771), (3, 187096257), (9, 62365419), (27, 20788473), (59, 9513369), (81, 6929491), (177, 3171123), (257, 2184003), (457, 1228203), (531, 1057041), (771, 728001), (1371, 409401), (1593, 352347), (2313, 242667), (4113, 136467), (4779, 117449), (6939, 80889), (12339, 45489), (15163, 37017), (20817, 26963)]