201391421

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{53377}}^1$

素因数の和:53409

約数の個数: 16

約数和(自身を含む): 256214400

約数和(自身を除く): 54822979

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 53377, 373639, 587147, 2615473, 4110029, 18308311, 28770203, 201391421]

約数ペア:

[(1, 201391421), (7, 28770203), (11, 18308311), (49, 4110029), (77, 2615473), (343, 587147), (539, 373639), (3773, 53377)]