201921417

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131203}}^1$

素因数の和:131234

約数の個数: 20

約数和(自身を含む): 317513680

約数和(自身を除く): 115592263

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 131203, 393609, 1180827, 2492857, 3542481, 7478571, 10627443, 22435713, 67307139, 201921417]

約数ペア:

[(1, 201921417), (3, 67307139), (9, 22435713), (19, 10627443), (27, 7478571), (57, 3542481), (81, 2492857), (171, 1180827), (513, 393609), (1539, 131203)]