15687513

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:966

約数の個数: 20

約数和(自身を含む): 23549988

約数和(自身を除く): 7862475

約数列:

[1, 3, 9, 27, 81, 293, 661, 879, 1983, 2637, 5949, 7911, 17847, 23733, 53541, 193673, 581019, 1743057, 5229171, 15687513]

約数ペア:

[(1, 15687513), (3, 5229171), (9, 1743057), (27, 581019), (81, 193673), (293, 53541), (661, 23733), (879, 17847), (1983, 7911), (2637, 5949)]