202103019

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131321}}^1$

素因数の和:131352

約数の個数: 20

約数和(自身を含む): 317799240

約数和(自身を除く): 115696221

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 131321, 393963, 1181889, 2495099, 3545667, 7485297, 10637001, 22455891, 67367673, 202103019]

約数ペア:

[(1, 202103019), (3, 67367673), (9, 22455891), (19, 10637001), (27, 7485297), (57, 3545667), (81, 2495099), (171, 1181889), (513, 393963), (1539, 131321)]