2013115221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{11681}}^1$

素因数の和:12194

約数の個数: 32

約数和(自身を含む): 3218624640

約数和(自身を除く): 1205509419

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 491, 1473, 4419, 6383, 11681, 13257, 19149, 35043, 57447, 105129, 151853, 172341, 315387, 455559, 1366677, 4100031, 5735371, 17206113, 51618339, 74559823, 154855017, 223679469, 671038407, 2013115221]

約数ペア:

[(1, 2013115221), (3, 671038407), (9, 223679469), (13, 154855017), (27, 74559823), (39, 51618339), (117, 17206113), (351, 5735371), (491, 4100031), (1473, 1366677), (4419, 455559), (6383, 315387), (11681, 172341), (13257, 151853), (19149, 105129), (35043, 57447)]