12905123

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8821}}^1$

素因数の和:8858

約数の個数: 16

約数和(自身を含む): 16938240

約数和(自身を除く): 4033117

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 8821, 61747, 97031, 167599, 679217, 1173193, 1843589, 12905123]

約数ペア:

[(1, 12905123), (7, 1843589), (11, 1173193), (19, 679217), (77, 167599), (133, 97031), (209, 61747), (1463, 8821)]