254755287

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{165533}}^1$

素因数の和:165564

約数の個数: 20

約数和(自身を含む): 400592280

約数和(自身を除く): 145836993

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 165533, 496599, 1489797, 3145127, 4469391, 9435381, 13408173, 28306143, 84918429, 254755287]

約数ペア:

[(1, 254755287), (3, 84918429), (9, 28306143), (19, 13408173), (27, 9435381), (57, 4469391), (81, 3145127), (171, 1489797), (513, 496599), (1539, 165533)]