201776589

素因数分解:

$3^4\times 7^1\times {\mathrm{355867}}^1$

素因数の和:355886

約数の個数: 20

約数和(自身を含む): 344480224

約数和(自身を除く): 142703635

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355867, 1067601, 2491069, 3202803, 7473207, 9608409, 22419621, 28825227, 67258863, 201776589]

約数ペア:

[(1, 201776589), (3, 67258863), (7, 28825227), (9, 22419621), (21, 9608409), (27, 7473207), (63, 3202803), (81, 2491069), (189, 1067601), (567, 355867)]