31987653

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 43545600

約数和(自身を除く): 11557947

約数列:

[1, 3, 79, 139, 237, 417, 971, 2913, 10981, 32943, 76709, 134969, 230127, 404907, 10662551, 31987653]

約数ペア:

[(1, 31987653), (3, 10662551), (79, 404907), (139, 230127), (237, 134969), (417, 76709), (971, 32943), (2913, 10981)]