31284279

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4732

約数の個数: 32

約数和(自身を含む): 52550400

約数和(自身を除く): 21266121

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 4691, 6669, 14073, 42219, 60983, 89129, 126657, 182949, 267387, 548847, 802161, 1158677, 1646541, 2406483, 3476031, 10428093, 31284279]

約数ペア:

[(1, 31284279), (3, 10428093), (9, 3476031), (13, 2406483), (19, 1646541), (27, 1158677), (39, 802161), (57, 548847), (117, 267387), (171, 182949), (247, 126657), (351, 89129), (513, 60983), (741, 42219), (2223, 14073), (4691, 6669)]