15131314317

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{397429}}^1$

素因数の和:397490

約数の個数: 32

約数和(自身を含む): 24163744000

約数和(自身を除く): 9032429683

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 777, 1029, 1813, 5439, 12691, 38073, 397429, 1192287, 2782003, 8346009, 14704873, 19474021, 44114619, 58422063, 102934111, 136318147, 308802333, 408954441, 720538777, 2161616331, 5043771439, 15131314317]

約数ペア:

[(1, 15131314317), (3, 5043771439), (7, 2161616331), (21, 720538777), (37, 408954441), (49, 308802333), (111, 136318147), (147, 102934111), (259, 58422063), (343, 44114619), (777, 19474021), (1029, 14704873), (1813, 8346009), (5439, 2782003), (12691, 1192287), (38073, 397429)]