155921185

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{10433}}^1$

素因数の和:10513

約数の個数: 24

約数和(自身を含む): 221242536

約数和(自身を除く): 65321351

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 10433, 14945, 52165, 73031, 365155, 511217, 636413, 2556085, 3182065, 4454891, 22274455, 31184237, 155921185]

約数ペア:

[(1, 155921185), (5, 31184237), (7, 22274455), (35, 4454891), (49, 3182065), (61, 2556085), (245, 636413), (305, 511217), (427, 365155), (2135, 73031), (2989, 52165), (10433, 14945)]