209969231

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1627}}^1$

素因数の和:1862

約数の個数: 16

約数和(自身を含む): 227555328

約数和(自身を除く): 17586097

約数列:

[1, 23, 31, 181, 713, 1627, 4163, 5611, 37421, 50437, 129053, 294487, 1160051, 6773201, 9129097, 209969231]

約数ペア:

[(1, 209969231), (23, 9129097), (31, 6773201), (181, 1160051), (713, 294487), (1627, 129053), (4163, 50437), (5611, 37421)]