740259

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 40

約数和(自身を含む): 1287440

約数和(自身を除く): 547181

約数列:

[1, 3, 9, 13, 19, 27, 37, 39, 57, 81, 111, 117, 171, 247, 333, 351, 481, 513, 703, 741, 999, 1053, 1443, 1539, 2109, 2223, 2997, 4329, 6327, 6669, 9139, 12987, 18981, 20007, 27417, 38961, 56943, 82251, 246753, 740259]

約数ペア:

[(1, 740259), (3, 246753), (9, 82251), (13, 56943), (19, 38961), (27, 27417), (37, 20007), (39, 18981), (57, 12987), (81, 9139), (111, 6669), (117, 6327), (171, 4329), (247, 2997), (333, 2223), (351, 2109), (481, 1539), (513, 1443), (703, 1053), (741, 999)]