81960588

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{20887}}^1$

素因数の和:21006

約数の個数: 36

約数和(自身を含む): 209088880

約数和(自身を除く): 127128292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 20887, 41774, 62661, 83548, 125322, 187983, 250644, 375966, 751932, 2276683, 4553366, 6830049, 9106732, 13660098, 20490147, 27320196, 40980294, 81960588]

約数ペア:

[(1, 81960588), (2, 40980294), (3, 27320196), (4, 20490147), (6, 13660098), (9, 9106732), (12, 6830049), (18, 4553366), (36, 2276683), (109, 751932), (218, 375966), (327, 250644), (436, 187983), (654, 125322), (981, 83548), (1308, 62661), (1962, 41774), (3924, 20887)]