1276558881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{74561}}^1$

素因数の和:75016

約数の個数: 16

約数和(自身を含む): 1837207680

約数和(自身を除く): 560648799

約数列:

[1, 3, 13, 39, 439, 1317, 5707, 17121, 74561, 223683, 969293, 2907879, 32732279, 98196837, 425519627, 1276558881]

約数ペア:

[(1, 1276558881), (3, 425519627), (13, 98196837), (39, 32732279), (439, 2907879), (1317, 969293), (5707, 223683), (17121, 74561)]