2505987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 4183920

約数和(自身を除く): 1677933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1489, 1683, 4467, 13401, 16379, 25313, 49137, 75939, 147411, 227817, 278443, 835329, 2505987]

約数ペア:

[(1, 2505987), (3, 835329), (9, 278443), (11, 227817), (17, 147411), (33, 75939), (51, 49137), (99, 25313), (153, 16379), (187, 13401), (561, 4467), (1489, 1683)]