2771309619

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{138517}}^1$

素因数の和:138561

約数の個数: 40

約数和(自身を含む): 4692989840

約数和(自身を除く): 1921680221

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 20007, 138517, 415551, 1246653, 1800721, 2631823, 3739959, 5402163, 7895469, 11219877, 16206489, 23686407, 34213699, 48619467, 71059221, 102641097, 145858401, 213177663, 307923291, 923769873, 2771309619]

約数ペア:

[(1, 2771309619), (3, 923769873), (9, 307923291), (13, 213177663), (19, 145858401), (27, 102641097), (39, 71059221), (57, 48619467), (81, 34213699), (117, 23686407), (171, 16206489), (247, 11219877), (351, 7895469), (513, 5402163), (741, 3739959), (1053, 2631823), (1539, 1800721), (2223, 1246653), (6669, 415551), (20007, 138517)]