201993993

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 313535040

約数和(自身を除く): 111541047

約数列:

[1, 3, 9, 27, 59, 73, 81, 177, 193, 219, 243, 531, 579, 657, 1593, 1737, 1971, 4307, 4779, 5211, 5913, 11387, 12921, 14089, 14337, 15633, 17739, 34161, 38763, 42267, 46899, 102483, 116289, 126801, 307449, 348867, 380403, 831251, 922347, 1046601, 1141209, 2493753, 2767041, 3423627, 7481259, 22443777, 67331331, 201993993]

約数ペア:

[(1, 201993993), (3, 67331331), (9, 22443777), (27, 7481259), (59, 3423627), (73, 2767041), (81, 2493753), (177, 1141209), (193, 1046601), (219, 922347), (243, 831251), (531, 380403), (579, 348867), (657, 307449), (1593, 126801), (1737, 116289), (1971, 102483), (4307, 46899), (4779, 42267), (5211, 38763), (5913, 34161), (11387, 17739), (12921, 15633), (14089, 14337)]