2187103665579

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5481462821}}^1$

素因数の和:5481462850

約数の個数: 16

約数和(自身を含む): 3508136206080

約数和(自身を除く): 1321032540501

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5481462821, 16444388463, 38370239747, 104147793599, 115110719241, 312443380797, 729034555193, 2187103665579]

約数ペア:

[(1, 2187103665579), (3, 729034555193), (7, 312443380797), (19, 115110719241), (21, 104147793599), (57, 38370239747), (133, 16444388463), (399, 5481462821)]