81569178

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2699}}^1$

素因数の和:2803

約数の個数: 48

約数和(自身を含む): 187012800

約数和(自身を除く): 105443622

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 73, 138, 146, 207, 219, 414, 438, 657, 1314, 1679, 2699, 3358, 5037, 5398, 8097, 10074, 15111, 16194, 24291, 30222, 48582, 62077, 124154, 186231, 197027, 372462, 394054, 558693, 591081, 1117386, 1182162, 1773243, 3546486, 4531621, 9063242, 13594863, 27189726, 40784589, 81569178]

約数ペア:

[(1, 81569178), (2, 40784589), (3, 27189726), (6, 13594863), (9, 9063242), (18, 4531621), (23, 3546486), (46, 1773243), (69, 1182162), (73, 1117386), (138, 591081), (146, 558693), (207, 394054), (219, 372462), (414, 197027), (438, 186231), (657, 124154), (1314, 62077), (1679, 48582), (2699, 30222), (3358, 24291), (5037, 16194), (5398, 15111), (8097, 10074)]