128151423

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 214272000

約数和(自身を除く): 86120577

約数列:

[1, 3, 9, 17, 23, 27, 51, 61, 69, 153, 183, 199, 207, 391, 459, 549, 597, 621, 1037, 1173, 1403, 1647, 1791, 3111, 3383, 3519, 4209, 4577, 5373, 9333, 10149, 10557, 12139, 12627, 13731, 23851, 27999, 30447, 36417, 37881, 41193, 71553, 77809, 91341, 109251, 123579, 206363, 214659, 233427, 279197, 327753, 619089, 643977, 700281, 837591, 1857267, 2100843, 2512773, 4746349, 5571801, 7538319, 14239047, 42717141, 128151423]

約数ペア:

[(1, 128151423), (3, 42717141), (9, 14239047), (17, 7538319), (23, 5571801), (27, 4746349), (51, 2512773), (61, 2100843), (69, 1857267), (153, 837591), (183, 700281), (199, 643977), (207, 619089), (391, 327753), (459, 279197), (549, 233427), (597, 214659), (621, 206363), (1037, 123579), (1173, 109251), (1403, 91341), (1647, 77809), (1791, 71553), (3111, 41193), (3383, 37881), (3519, 36417), (4209, 30447), (4577, 27999), (5373, 23851), (9333, 13731), (10149, 12627), (10557, 12139)]