726921

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 1232000

約数和(自身を除く): 505079

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 109, 117, 171, 247, 327, 351, 513, 741, 981, 1417, 2071, 2223, 2943, 4251, 6213, 6669, 12753, 18639, 26923, 38259, 55917, 80769, 242307, 726921]

約数ペア:

[(1, 726921), (3, 242307), (9, 80769), (13, 55917), (19, 38259), (27, 26923), (39, 18639), (57, 12753), (109, 6669), (117, 6213), (171, 4251), (247, 2943), (327, 2223), (351, 2071), (513, 1417), (741, 981)]