51240021

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{106087}}^1$

素因数の和:106120

約数の個数: 16

約数和(自身を含む): 81475584

約数和(自身を除く): 30235563

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 106087, 318261, 742609, 2227827, 2440001, 7320003, 17080007, 51240021]

約数ペア:

[(1, 51240021), (3, 17080007), (7, 7320003), (21, 2440001), (23, 2227827), (69, 742609), (161, 318261), (483, 106087)]