12543223

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 16087680

約数和(自身を除く): 3544457

約数列:

[1, 7, 11, 59, 77, 121, 251, 413, 649, 847, 1757, 2761, 4543, 7139, 14809, 19327, 30371, 49973, 103663, 162899, 212597, 1140293, 1791889, 12543223]

約数ペア:

[(1, 12543223), (7, 1791889), (11, 1140293), (59, 212597), (77, 162899), (121, 103663), (251, 49973), (413, 30371), (649, 19327), (847, 14809), (1757, 7139), (2761, 4543)]