12666897

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 19027008

約数和(自身を除く): 6360111

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 461, 639, 1383, 3053, 4149, 9159, 19823, 27477, 32731, 59469, 98193, 178407, 294579, 1407433, 4222299, 12666897]

約数ペア:

[(1, 12666897), (3, 4222299), (9, 1407433), (43, 294579), (71, 178407), (129, 98193), (213, 59469), (387, 32731), (461, 27477), (639, 19823), (1383, 9159), (3053, 4149)]