199209969

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{45827}}^1$

素因数の和:45866

約数の個数: 32

約数和(自身を含む): 351959040

約数和(自身を除く): 152749071

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 45827, 137481, 320789, 412443, 962367, 1054021, 1237329, 2887101, 3162063, 7378147, 8661303, 9486189, 22134441, 28458567, 66403323, 199209969]

約数ペア:

[(1, 199209969), (3, 66403323), (7, 28458567), (9, 22134441), (21, 9486189), (23, 8661303), (27, 7378147), (63, 3162063), (69, 2887101), (161, 1237329), (189, 1054021), (207, 962367), (483, 412443), (621, 320789), (1449, 137481), (4347, 45827)]