261077761

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{24203}}^1$

素因数の和:24300

約数の個数: 16

約数和(自身を含む): 316007424

約数和(自身を除く): 54929663

約数列:

[1, 7, 23, 67, 161, 469, 1541, 10787, 24203, 169421, 556669, 1621601, 3896683, 11351207, 37296823, 261077761]

約数ペア:

[(1, 261077761), (7, 37296823), (23, 11351207), (67, 3896683), (161, 1621601), (469, 556669), (1541, 169421), (10787, 24203)]