31520973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20323}}^1$

素因数の和:20384

約数の個数: 16

約数和(自身を含む): 46826496

約数和(自身を除く): 15305523

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 20323, 60969, 223553, 670659, 955181, 2865543, 10506991, 31520973]

約数ペア:

[(1, 31520973), (3, 10506991), (11, 2865543), (33, 955181), (47, 670659), (141, 223553), (517, 60969), (1551, 20323)]