209186751

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3539}}^1$

素因数の和:3639

約数の個数: 32

約数和(自身を含む): 316051200

約数和(自身を除く): 106864449

約数列:

[1, 3, 17, 19, 51, 57, 61, 183, 323, 969, 1037, 1159, 3111, 3477, 3539, 10617, 19703, 59109, 60163, 67241, 180489, 201723, 215879, 647637, 1143097, 3429291, 3669943, 4101701, 11009829, 12305103, 69728917, 209186751]

約数ペア:

[(1, 209186751), (3, 69728917), (17, 12305103), (19, 11009829), (51, 4101701), (57, 3669943), (61, 3429291), (183, 1143097), (323, 647637), (969, 215879), (1037, 201723), (1159, 180489), (3111, 67241), (3477, 60163), (3539, 59109), (10617, 19703)]