51821553

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3461}}^1$

素因数の和:3525

約数の個数: 32

約数和(自身を含む): 85082112

約数和(自身を除く): 33260559

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 2139, 3461, 4991, 10383, 14973, 24227, 72681, 79603, 107291, 238809, 321873, 557221, 751037, 1671663, 2253111, 2467693, 7403079, 17273851, 51821553]

約数ペア:

[(1, 51821553), (3, 17273851), (7, 7403079), (21, 2467693), (23, 2253111), (31, 1671663), (69, 751037), (93, 557221), (161, 321873), (217, 238809), (483, 107291), (651, 79603), (713, 72681), (2139, 24227), (3461, 14973), (4991, 10383)]