2749131

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3967}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 4952064

約数和(自身を除く): 2202933

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 3967, 11901, 27769, 35703, 43637, 83307, 130911, 249921, 305459, 392733, 916377, 2749131]

約数ペア:

[(1, 2749131), (3, 916377), (7, 392733), (9, 305459), (11, 249921), (21, 130911), (33, 83307), (63, 43637), (77, 35703), (99, 27769), (231, 11901), (693, 3967)]