138971187

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{270899}}^1$

素因数の和:270927

約数の個数: 16

約数和(自身を含む): 216720000

約数和(自身を除く): 77748813

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 270899, 812697, 2438091, 5147081, 7314273, 15441243, 46323729, 138971187]

約数ペア:

[(1, 138971187), (3, 46323729), (9, 15441243), (19, 7314273), (27, 5147081), (57, 2438091), (171, 812697), (513, 270899)]