1209901

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 1589760

約数和(自身を除く): 379859

約数列:

[1, 7, 11, 19, 77, 133, 209, 827, 1463, 5789, 9097, 15713, 63679, 109991, 172843, 1209901]

約数ペア:

[(1, 1209901), (7, 172843), (11, 109991), (19, 63679), (77, 15713), (133, 9097), (209, 5789), (827, 1463)]