28955367

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6661}}^1$

素因数の和:6700

約数の個数: 32

約数和(自身を含む): 51164160

約数和(自身を除く): 22208793

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 6661, 19983, 46627, 59949, 139881, 153203, 179847, 419643, 459609, 1072421, 1258929, 1378827, 3217263, 4136481, 9651789, 28955367]

約数ペア:

[(1, 28955367), (3, 9651789), (7, 4136481), (9, 3217263), (21, 1378827), (23, 1258929), (27, 1072421), (63, 459609), (69, 419643), (161, 179847), (189, 153203), (207, 139881), (483, 59949), (621, 46627), (1449, 19983), (4347, 6661)]