200237979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 286720000

約数和(自身を除く): 86482021

約数列:

[1, 3, 19, 57, 127, 139, 199, 381, 417, 597, 2413, 2641, 3781, 7239, 7923, 11343, 17653, 25273, 27661, 52959, 75819, 82983, 335407, 480187, 525559, 1006221, 1440561, 1576677, 3512947, 10538841, 66745993, 200237979]

約数ペア:

[(1, 200237979), (3, 66745993), (19, 10538841), (57, 3512947), (127, 1576677), (139, 1440561), (199, 1006221), (381, 525559), (417, 480187), (597, 335407), (2413, 82983), (2641, 75819), (3781, 52959), (7239, 27661), (7923, 25273), (11343, 17653)]