67213215

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 119845440

約数和(自身を除く): 52632225

約数列:

[1, 3, 5, 9, 15, 45, 71, 109, 193, 213, 327, 355, 545, 579, 639, 965, 981, 1065, 1635, 1737, 2895, 3195, 4905, 7739, 8685, 13703, 21037, 23217, 38695, 41109, 63111, 68515, 69651, 105185, 116085, 123327, 189333, 205545, 315555, 348255, 616635, 946665, 1493627, 4480881, 7468135, 13442643, 22404405, 67213215]

約数ペア:

[(1, 67213215), (3, 22404405), (5, 13442643), (9, 7468135), (15, 4480881), (45, 1493627), (71, 946665), (109, 616635), (193, 348255), (213, 315555), (327, 205545), (355, 189333), (545, 123327), (579, 116085), (639, 105185), (965, 69651), (981, 68515), (1065, 63111), (1635, 41109), (1737, 38695), (2895, 23217), (3195, 21037), (4905, 13703), (7739, 8685)]