1268173845

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{655387}}^1$

素因数の和:655441

約数の個数: 24

約数和(自身を含む): 2249291616

約数和(自身を除く): 981117771

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 655387, 1966161, 3276935, 5898483, 9830805, 28181641, 29492415, 84544923, 140908205, 253634769, 422724615, 1268173845]

約数ペア:

[(1, 1268173845), (3, 422724615), (5, 253634769), (9, 140908205), (15, 84544923), (43, 29492415), (45, 28181641), (129, 9830805), (215, 5898483), (387, 3276935), (645, 1966161), (1935, 655387)]