12791289

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 20680704

約数和(自身を除く): 7889415

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 373, 483, 497, 1119, 1491, 1633, 2611, 4899, 7833, 8579, 11431, 25737, 26483, 34293, 60053, 79449, 180159, 185381, 556143, 609109, 1827327, 4263763, 12791289]

約数ペア:

[(1, 12791289), (3, 4263763), (7, 1827327), (21, 609109), (23, 556143), (69, 185381), (71, 180159), (161, 79449), (213, 60053), (373, 34293), (483, 26483), (497, 25737), (1119, 11431), (1491, 8579), (1633, 7833), (2611, 4899)]