203480019

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{13879}}^1$

素因数の和:14072

約数の個数: 20

約数和(自身を含む): 305665360

約数和(自身を除く): 102185341

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 13879, 14661, 41637, 124911, 374733, 1124199, 2512099, 7536297, 22608891, 67826673, 203480019]

約数ペア:

[(1, 203480019), (3, 67826673), (9, 22608891), (27, 7536297), (81, 2512099), (181, 1124199), (543, 374733), (1629, 124911), (4887, 41637), (13879, 14661)]