217107

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 32

約数和(自身を含む): 380160

約数和(自身を除く): 163053

約数列:

[1, 3, 9, 11, 17, 27, 33, 43, 51, 99, 129, 153, 187, 297, 387, 459, 473, 561, 731, 1161, 1419, 1683, 2193, 4257, 5049, 6579, 8041, 12771, 19737, 24123, 72369, 217107]

約数ペア:

[(1, 217107), (3, 72369), (9, 24123), (11, 19737), (17, 12771), (27, 8041), (33, 6579), (43, 5049), (51, 4257), (99, 2193), (129, 1683), (153, 1419), (187, 1161), (297, 731), (387, 561), (459, 473)]