2720515

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4122

約数の個数: 16

約数和(自身を含む): 3928320

約数和(自身を除く): 1207805

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 4091, 20455, 28637, 77729, 143185, 388645, 544103, 2720515]

約数ペア:

[(1, 2720515), (5, 544103), (7, 388645), (19, 143185), (35, 77729), (95, 28637), (133, 20455), (665, 4091)]