28108737

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 42614208

約数和(自身を除く): 14505471

約数列:

[1, 3, 9, 23, 69, 207, 251, 541, 753, 1623, 2259, 4869, 5773, 12443, 17319, 37329, 51957, 111987, 135791, 407373, 1222119, 3123193, 9369579, 28108737]

約数ペア:

[(1, 28108737), (3, 9369579), (9, 3123193), (23, 1222119), (69, 407373), (207, 135791), (251, 111987), (541, 51957), (753, 37329), (1623, 17319), (2259, 12443), (4869, 5773)]