15171489221

素因数分解:

$7^4\times {\mathrm{47}}^1\times {\mathrm{134443}}^1$

素因数の和:134518

約数の個数: 20

約数和(自身を含む): 18075726912

約数和(自身を除く): 2904237691

約数列:

[1, 7, 47, 49, 329, 343, 2303, 2401, 16121, 112847, 134443, 941101, 6318821, 6587707, 44231747, 46113949, 309622229, 322797643, 2167355603, 15171489221]

約数ペア:

[(1, 15171489221), (7, 2167355603), (47, 322797643), (49, 309622229), (329, 46113949), (343, 44231747), (2303, 6587707), (2401, 6318821), (16121, 941101), (112847, 134443)]