2505681

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 4043520

約数和(自身を除く): 1537839

約数列:

[1, 3, 9, 17, 27, 51, 53, 103, 153, 159, 309, 459, 477, 901, 927, 1431, 1751, 2703, 2781, 5253, 5459, 8109, 15759, 16377, 24327, 47277, 49131, 92803, 147393, 278409, 835227, 2505681]

約数ペア:

[(1, 2505681), (3, 835227), (9, 278409), (17, 147393), (27, 92803), (51, 49131), (53, 47277), (103, 24327), (153, 16377), (159, 15759), (309, 8109), (459, 5459), (477, 5253), (901, 2781), (927, 2703), (1431, 1751)]