15506855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 23151744

約数和(自身を除く): 7644889

約数列:

[1, 5, 7, 13, 35, 65, 91, 173, 197, 455, 865, 985, 1211, 1379, 2249, 2561, 6055, 6895, 11245, 12805, 15743, 17927, 34081, 78715, 89635, 170405, 238567, 443053, 1192835, 2215265, 3101371, 15506855]

約数ペア:

[(1, 15506855), (5, 3101371), (7, 2215265), (13, 1192835), (35, 443053), (65, 238567), (91, 170405), (173, 89635), (197, 78715), (455, 34081), (865, 17927), (985, 15743), (1211, 12805), (1379, 11245), (2249, 6895), (2561, 6055)]