72180141

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 111421440

約数和(自身を除く): 39241299

約数列:

[1, 3, 11, 23, 33, 61, 69, 183, 253, 671, 759, 1403, 1559, 2013, 4209, 4677, 15433, 17149, 35857, 46299, 51447, 95099, 107571, 285297, 394427, 1046089, 1183281, 2187277, 3138267, 6561831, 24060047, 72180141]

約数ペア:

[(1, 72180141), (3, 24060047), (11, 6561831), (23, 3138267), (33, 2187277), (61, 1183281), (69, 1046089), (183, 394427), (253, 285297), (671, 107571), (759, 95099), (1403, 51447), (1559, 46299), (2013, 35857), (4209, 17149), (4677, 15433)]