38890017

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 63604800

約数和(自身を除く): 24714783

約数列:

[1, 3, 9, 19, 27, 41, 43, 57, 123, 129, 171, 369, 387, 513, 779, 817, 1107, 1161, 1763, 1849, 2337, 2451, 5289, 5547, 7011, 7353, 15867, 16641, 21033, 22059, 33497, 35131, 47601, 49923, 75809, 100491, 105393, 227427, 301473, 316179, 682281, 904419, 948537, 1440371, 2046843, 4321113, 12963339, 38890017]

約数ペア:

[(1, 38890017), (3, 12963339), (9, 4321113), (19, 2046843), (27, 1440371), (41, 948537), (43, 904419), (57, 682281), (123, 316179), (129, 301473), (171, 227427), (369, 105393), (387, 100491), (513, 75809), (779, 49923), (817, 47601), (1107, 35131), (1161, 33497), (1763, 22059), (1849, 21033), (2337, 16641), (2451, 15867), (5289, 7353), (5547, 7011)]