31721987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 36427104

約数和(自身を除く): 4705117

約数列:

[1, 11, 37, 41, 407, 451, 1517, 1901, 16687, 20911, 70337, 77941, 773707, 857351, 2883817, 31721987]

約数ペア:

[(1, 31721987), (11, 2883817), (37, 857351), (41, 773707), (407, 77941), (451, 70337), (1517, 20911), (1901, 16687)]