2549151

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{2861}}^1$

素因数の和:2884

約数の個数: 20

約数和(自身を含む): 4155624

約数和(自身を除く): 1606473

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 2861, 8583, 25749, 31471, 77247, 94413, 231741, 283239, 849717, 2549151]

約数ペア:

[(1, 2549151), (3, 849717), (9, 283239), (11, 231741), (27, 94413), (33, 77247), (81, 31471), (99, 25749), (297, 8583), (891, 2861)]