161855757

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{88591}}^1$

素因数の和:88633

約数の個数: 24

約数和(自身を含む): 276407040

約数和(自身を除く): 114551283

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 88591, 265773, 620137, 797319, 1860411, 2569139, 5581233, 7707417, 17983973, 23122251, 53951919, 161855757]

約数ペア:

[(1, 161855757), (3, 53951919), (7, 23122251), (9, 17983973), (21, 7707417), (29, 5581233), (63, 2569139), (87, 1860411), (203, 797319), (261, 620137), (609, 265773), (1827, 88591)]