1289072805

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1210397}}^1$

素因数の和:1210476

約数の個数: 16

約数和(自身を含む): 2091567744

約数和(自身を除く): 802494939

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1210397, 3631191, 6051985, 18155955, 85938187, 257814561, 429690935, 1289072805]

約数ペア:

[(1, 1289072805), (3, 429690935), (5, 257814561), (15, 85938187), (71, 18155955), (213, 6051985), (355, 3631191), (1065, 1210397)]