55811889

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 99041280

約数和(自身を除く): 43229391

約数列:

[1, 3, 7, 9, 21, 27, 47, 61, 63, 103, 141, 183, 189, 309, 329, 423, 427, 549, 721, 927, 987, 1269, 1281, 1647, 2163, 2781, 2867, 2961, 3843, 4841, 6283, 6489, 8601, 8883, 11529, 14523, 18849, 19467, 20069, 25803, 33887, 43569, 43981, 56547, 60207, 77409, 101661, 130707, 131943, 169641, 180621, 295301, 304983, 395829, 541863, 885903, 914949, 1187487, 2067107, 2657709, 6201321, 7973127, 18603963, 55811889]

約数ペア:

[(1, 55811889), (3, 18603963), (7, 7973127), (9, 6201321), (21, 2657709), (27, 2067107), (47, 1187487), (61, 914949), (63, 885903), (103, 541863), (141, 395829), (183, 304983), (189, 295301), (309, 180621), (329, 169641), (423, 131943), (427, 130707), (549, 101661), (721, 77409), (927, 60207), (987, 56547), (1269, 43981), (1281, 43569), (1647, 33887), (2163, 25803), (2781, 20069), (2867, 19467), (2961, 18849), (3843, 14523), (4841, 11529), (6283, 8883), (6489, 8601)]