31881078

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{16553}}^1$

素因数の和:16668

約数の個数: 24

約数和(自身を含む): 69725448

約数和(自身を除く): 37844370

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 16553, 33106, 49659, 99318, 148977, 297954, 1771171, 3542342, 5313513, 10627026, 15940539, 31881078]

約数ペア:

[(1, 31881078), (2, 15940539), (3, 10627026), (6, 5313513), (9, 3542342), (18, 1771171), (107, 297954), (214, 148977), (321, 99318), (642, 49659), (963, 33106), (1926, 16553)]