7888221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 13590720

約数和(自身を除く): 5702499

約数列:

[1, 3, 9, 11, 17, 33, 43, 51, 99, 109, 129, 153, 187, 327, 387, 473, 561, 731, 981, 1199, 1419, 1683, 1853, 2193, 3597, 4257, 4687, 5559, 6579, 8041, 10791, 14061, 16677, 20383, 24123, 42183, 51557, 61149, 72369, 79679, 154671, 183447, 239037, 464013, 717111, 876469, 2629407, 7888221]

約数ペア:

[(1, 7888221), (3, 2629407), (9, 876469), (11, 717111), (17, 464013), (33, 239037), (43, 183447), (51, 154671), (99, 79679), (109, 72369), (129, 61149), (153, 51557), (187, 42183), (327, 24123), (387, 20383), (473, 16677), (561, 14061), (731, 10791), (981, 8041), (1199, 6579), (1419, 5559), (1683, 4687), (1853, 4257), (2193, 3597)]