39997221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{20543}}^1$

素因数の和:20616

約数の個数: 16

約数和(自身を含む): 59166720

約数和(自身を除く): 19169499

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 20543, 61629, 225973, 677919, 1212037, 3636111, 13332407, 39997221]

約数ペア:

[(1, 39997221), (3, 13332407), (11, 3636111), (33, 1212037), (59, 677919), (177, 225973), (649, 61629), (1947, 20543)]