31986339

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138469}}^1$

素因数の和:138490

約数の個数: 16

約数和(自身を含む): 53172480

約数和(自身を除く): 21186141

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 138469, 415407, 969283, 1523159, 2907849, 4569477, 10662113, 31986339]

約数ペア:

[(1, 31986339), (3, 10662113), (7, 4569477), (11, 2907849), (21, 1523159), (33, 969283), (77, 415407), (231, 138469)]