78884145

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 145981440

約数和(自身を除く): 67097295

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 107, 127, 129, 135, 215, 321, 381, 387, 535, 635, 645, 963, 1143, 1161, 1605, 1905, 1935, 2889, 3429, 4601, 4815, 5461, 5715, 5805, 13589, 13803, 14445, 16383, 17145, 23005, 27305, 40767, 41409, 49149, 67945, 69015, 81915, 122301, 124227, 147447, 203835, 207045, 245745, 366903, 584327, 611505, 621135, 737235, 1752981, 1834515, 2921635, 5258943, 8764905, 15776829, 26294715, 78884145]

約数ペア:

[(1, 78884145), (3, 26294715), (5, 15776829), (9, 8764905), (15, 5258943), (27, 2921635), (43, 1834515), (45, 1752981), (107, 737235), (127, 621135), (129, 611505), (135, 584327), (215, 366903), (321, 245745), (381, 207045), (387, 203835), (535, 147447), (635, 124227), (645, 122301), (963, 81915), (1143, 69015), (1161, 67945), (1605, 49149), (1905, 41409), (1935, 40767), (2889, 27305), (3429, 23005), (4601, 17145), (4815, 16383), (5461, 14445), (5715, 13803), (5805, 13589)]