28269231

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 40346880

約数和(自身を除く): 12077649

約数列:

[1, 3, 23, 47, 69, 141, 379, 529, 1081, 1137, 1587, 3243, 8717, 17813, 24863, 26151, 53439, 74589, 200491, 409699, 601473, 1229097, 9423077, 28269231]

約数ペア:

[(1, 28269231), (3, 9423077), (23, 1229097), (47, 601473), (69, 409699), (141, 200491), (379, 74589), (529, 53439), (1081, 26151), (1137, 24863), (1587, 17813), (3243, 8717)]