266409

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 40

約数和(自身を含む): 487872

約数和(自身を除く): 221463

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 81, 99, 117, 143, 207, 253, 297, 299, 351, 429, 621, 759, 891, 897, 1053, 1287, 1863, 2277, 2691, 3289, 3861, 6831, 8073, 9867, 11583, 20493, 24219, 29601, 88803, 266409]

約数ペア:

[(1, 266409), (3, 88803), (9, 29601), (11, 24219), (13, 20493), (23, 11583), (27, 9867), (33, 8073), (39, 6831), (69, 3861), (81, 3289), (99, 2691), (117, 2277), (143, 1863), (207, 1287), (253, 1053), (297, 897), (299, 891), (351, 759), (429, 621)]