64871247

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{2741}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 105292800

約数和(自身を除く): 40421553

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 2741, 3381, 7889, 8223, 19187, 23667, 57561, 63043, 134309, 189129, 402927, 441301, 940163, 1323903, 2820489, 3089107, 9267321, 21623749, 64871247]

約数ペア:

[(1, 64871247), (3, 21623749), (7, 9267321), (21, 3089107), (23, 2820489), (49, 1323903), (69, 940163), (147, 441301), (161, 402927), (343, 189129), (483, 134309), (1029, 63043), (1127, 57561), (2741, 23667), (3381, 19187), (7889, 8223)]