81668751

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1\times {\mathrm{887}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 111504384

約数和(自身を除く): 29835633

約数列:

[1, 3, 47, 141, 653, 887, 1959, 2661, 30691, 41689, 92073, 125067, 579211, 1737633, 27222917, 81668751]

約数ペア:

[(1, 81668751), (3, 27222917), (47, 1737633), (141, 579211), (653, 125067), (887, 92073), (1959, 41689), (2661, 30691)]