25648461

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 42734400

約数和(自身を除く): 17085939

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 173, 289, 323, 459, 513, 519, 867, 969, 1557, 2601, 2907, 2941, 3287, 4671, 5491, 7803, 8721, 8823, 9861, 16473, 26469, 29583, 49419, 49997, 55879, 79407, 88749, 148257, 149991, 167637, 449973, 502911, 949943, 1349919, 1508733, 2849829, 8549487, 25648461]

約数ペア:

[(1, 25648461), (3, 8549487), (9, 2849829), (17, 1508733), (19, 1349919), (27, 949943), (51, 502911), (57, 449973), (153, 167637), (171, 149991), (173, 148257), (289, 88749), (323, 79407), (459, 55879), (513, 49997), (519, 49419), (867, 29583), (969, 26469), (1557, 16473), (2601, 9861), (2907, 8823), (2941, 8721), (3287, 7803), (4671, 5491)]