210880785

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{66629}}^1$

素因数の和:66848

約数の個数: 16

約数和(自身を含む): 339013440

約数和(自身を除く): 128132655

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 66629, 199887, 333145, 999435, 14058719, 42176157, 70293595, 210880785]

約数ペア:

[(1, 210880785), (3, 70293595), (5, 42176157), (15, 14058719), (211, 999435), (633, 333145), (1055, 199887), (3165, 66629)]