28177107

素因数分解:

$3^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 16174893

約数列:

[1, 3, 7, 21, 49, 139, 147, 197, 343, 417, 591, 973, 1029, 1379, 2919, 4137, 6811, 9653, 20433, 27383, 28959, 47677, 67571, 82149, 143031, 191681, 202713, 575043, 1341767, 4025301, 9392369, 28177107]

約数ペア:

[(1, 28177107), (3, 9392369), (7, 4025301), (21, 1341767), (49, 575043), (139, 202713), (147, 191681), (197, 143031), (343, 82149), (417, 67571), (591, 47677), (973, 28959), (1029, 27383), (1379, 20433), (2919, 9653), (4137, 6811)]