28748937

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{877}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 44841216

約数和(自身を除く): 16092279

約数列:

[1, 3, 7, 21, 49, 147, 223, 669, 877, 1561, 2631, 4683, 6139, 10927, 18417, 32781, 42973, 128919, 195571, 586713, 1368997, 4106991, 9582979, 28748937]

約数ペア:

[(1, 28748937), (3, 9582979), (7, 4106991), (21, 1368997), (49, 586713), (147, 195571), (223, 128919), (669, 42973), (877, 32781), (1561, 18417), (2631, 10927), (4683, 6139)]