16981839

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4729}}^1$

素因数の和:4764

約数の個数: 32

約数和(自身を含む): 30272000

約数和(自身を除く): 13290161

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 4729, 14187, 33103, 42561, 89851, 99309, 127683, 269553, 297927, 628957, 808659, 893781, 1886871, 2425977, 5660613, 16981839]

約数ペア:

[(1, 16981839), (3, 5660613), (7, 2425977), (9, 1886871), (19, 893781), (21, 808659), (27, 628957), (57, 297927), (63, 269553), (133, 127683), (171, 99309), (189, 89851), (399, 42561), (513, 33103), (1197, 14187), (3591, 4729)]