9987901

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6827}}^1$

素因数の和:6864

約数の個数: 16

約数和(自身を含む): 13109760

約数和(自身を除く): 3121859

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 6827, 47789, 75097, 129713, 525679, 907991, 1426843, 9987901]

約数ペア:

[(1, 9987901), (7, 1426843), (11, 907991), (19, 525679), (77, 129713), (133, 75097), (209, 47789), (1463, 6827)]