15250305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 28355328

約数和(自身を除く): 13105023

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 2381, 6405, 7143, 11905, 16667, 35715, 50001, 83335, 145241, 250005, 435723, 726205, 1016687, 2178615, 3050061, 5083435, 15250305]

約数ペア:

[(1, 15250305), (3, 5083435), (5, 3050061), (7, 2178615), (15, 1016687), (21, 726205), (35, 435723), (61, 250005), (105, 145241), (183, 83335), (305, 50001), (427, 35715), (915, 16667), (1281, 11905), (2135, 7143), (2381, 6405)]