2911139

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 18

約数和(自身を含む): 3729852

約数和(自身を除く): 818713

約数列:

[1, 7, 11, 49, 77, 121, 491, 539, 847, 3437, 5401, 5929, 24059, 37807, 59411, 264649, 415877, 2911139]

約数ペア:

[(1, 2911139), (7, 415877), (11, 264649), (49, 59411), (77, 37807), (121, 24059), (491, 5929), (539, 5401), (847, 3437)]