201734421

素因数分解:

$3^1\times 7^5\times {\mathrm{4001}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 313884864

約数和(自身を除く): 112150443

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 4001, 7203, 12003, 16807, 28007, 50421, 84021, 196049, 588147, 1372343, 4117029, 9606401, 28819203, 67244807, 201734421]

約数ペア:

[(1, 201734421), (3, 67244807), (7, 28819203), (21, 9606401), (49, 4117029), (147, 1372343), (343, 588147), (1029, 196049), (2401, 84021), (4001, 50421), (7203, 28007), (12003, 16807)]