153947139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 222393600

約数和(自身を除く): 68446461

約数列:

[1, 3, 19, 53, 57, 131, 159, 389, 393, 1007, 1167, 2489, 3021, 6943, 7391, 7467, 20617, 20829, 22173, 50959, 61851, 131917, 152877, 391723, 395751, 968221, 1175169, 2700827, 2904663, 8102481, 51315713, 153947139]

約数ペア:

[(1, 153947139), (3, 51315713), (19, 8102481), (53, 2904663), (57, 2700827), (131, 1175169), (159, 968221), (389, 395751), (393, 391723), (1007, 152877), (1167, 131917), (2489, 61851), (3021, 50959), (6943, 22173), (7391, 20829), (7467, 20617)]