200909781

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3593}}^1$

素因数の和:3730

約数の個数: 32

約数和(自身を含む): 316272000

約数和(自身を除く): 115362219

約数列:

[1, 3, 9, 19, 27, 57, 109, 171, 327, 513, 981, 2071, 2943, 3593, 6213, 10779, 18639, 32337, 55917, 68267, 97011, 204801, 391637, 614403, 1174911, 1843209, 3524733, 7441103, 10574199, 22323309, 66969927, 200909781]

約数ペア:

[(1, 200909781), (3, 66969927), (9, 22323309), (19, 10574199), (27, 7441103), (57, 3524733), (109, 1843209), (171, 1174911), (327, 614403), (513, 391637), (981, 204801), (2071, 97011), (2943, 68267), (3593, 55917), (6213, 32337), (10779, 18639)]