38917431

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19927}}^1$

素因数の和:19971

約数の個数: 24

約数和(自身を含む): 66320384

約数和(自身を除く): 27402953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 19927, 59781, 139489, 179343, 418467, 617737, 1255401, 1853211, 4324159, 5559633, 12972477, 38917431]

約数ペア:

[(1, 38917431), (3, 12972477), (7, 5559633), (9, 4324159), (21, 1853211), (31, 1255401), (63, 617737), (93, 418467), (217, 179343), (279, 139489), (651, 59781), (1953, 19927)]