420849

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 739200

約数和(自身を除く): 318351

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 109, 117, 143, 297, 327, 351, 429, 981, 1199, 1287, 1417, 2943, 3597, 3861, 4251, 10791, 12753, 15587, 32373, 38259, 46761, 140283, 420849]

約数ペア:

[(1, 420849), (3, 140283), (9, 46761), (11, 38259), (13, 32373), (27, 15587), (33, 12753), (39, 10791), (99, 4251), (109, 3861), (117, 3597), (143, 2943), (297, 1417), (327, 1287), (351, 1199), (429, 981)]